SOLUTION: Can you help me with this? Earth's diameter is approximately four times the moon's and both bodies are spheres. What is the ratio of their volumes? Thanks!!

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Question 33496: Can you help me with this?
Earth's diameter is approximately four times the moon's and both bodies are spheres. What is the ratio of their volumes?

Thanks!!
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
volume is proportional to r%5E3

so if radius (or diameter) of Earth is x4 that of the moon, then
the volume of Earth is approximately x4%5E3 that of the moon:

--> Earth volume is approximately 64 times that of the moon.

jon.