Math

QuestionWhat percent of the world's population (7.4 billion) was the U.S. population (324 million)? Round to one decimal place.

Studdy Solution

STEP 1

Assumptions1. The world's population in mid-2016 was about7.4 billion people. . The population of the United States in mid-2016 was about324 million people.
3. We need to find the percentage of the world's population that was the U.S. population.

STEP 2

First, we need to convert the populations to the same units. In this case, we will convert the U.S. population from millions to billions.
1billion=1,000million1\, billion =1,000\, millionSo,.S.population=324million=0.324billion.S.\, population =324\, million =0.324\, billion

STEP 3

Now, we can calculate the percentage of the world's population that was the U.S. population. The formula to calculate the percentage isPercentage=PartWhole×100Percentage = \frac{Part}{Whole} \times100In this case, the "Part" is the U.S. population and the "Whole" is the world's population.

STEP 4

Plug in the values for the U.S. population and the world's population to calculate the percentage.
Percentage=0.324billion7.4billion×100Percentage = \frac{0.324\, billion}{7.4\, billion} \times100

STEP 5

Calculate the percentage.
Percentage=0.3247.4×1004.37837837837Percentage = \frac{0.324}{7.4} \times100 \approx4.37837837837

STEP 6

Round the percentage to one decimal place.
Percentage4.4%Percentage \approx4.4\%So, the U.S. population was about4.4% of the world's population in mid-2016.

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