Finding the Fourth Proportional to 7,453,904,851,008.20, 11,181,975,231,257 and 2,618,054,149,997.20
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Solution
The fourth proportional to 7,453,904,851,008.20, 11,181,975,231,257 and 2,618,054,149,997.20 is: 3,927,473,887,112.82
Step by Step Solution
- Step 1: Write the proportion equation
7,453,904,851,008.20 : 11,181,975,231,257 = 2,618,054,149,997.20 : x - Step 2: Convert to fraction form
7,453,904,851,008.20/11,181,975,231,257 = 2,618,054,149,997.20/x - Step 3: Cross multiply
7,453,904,851,008.20x = 11,181,975,231,257 × 2,618,054,149,997.20 - Step 4: Simplify right side
7,453,904,851,008.20x = 29,275,016,659,358,290,397,888,512 - Step 5: Solve for x
x = 29,275,016,659,358,290,397,888,512/7,453,904,851,008.20 - Step 6: Final answer
x = 3,927,473,887,112.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.