Simple math problem ... Multiply the number of people by 15 inches... Then divide by the number of inches in a mile, for total miles ... Then divide that number by the circumference of the Earth in miles.

Ta da!

Simple math problem ... Multiply the number of people by 15 inches... Then divide by the number of inches in a mile, for total miles ... Then divide that number by the circumference of the Earth in miles.

Ta da!

Suppose we lined up all the people in the world (about 7.2 billion people). Assume that each person occupied 12 inches of the line.

Didn't find the answer you were looking for?