Finding the Fourth Proportional to 397,467,844.16, 596,257,753.60 and 138,645,317.12
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Solution
The fourth proportional to 397,467,844.16, 596,257,753.60 and 138,645,317.12 is: 207,987,505.27
Step by Step Solution
- Step 1: Write the proportion equation
397,467,844.16 : 596,257,753.60 = 138,645,317.12 : x - Step 2: Convert to fraction form
397,467,844.16/596,257,753.60 = 138,645,317.12/x - Step 3: Cross multiply
397,467,844.16x = 596,257,753.60 × 138,645,317.12 - Step 4: Simplify right side
397,467,844.16x = 82,668,345,333,130,832 - Step 5: Solve for x
x = 82,668,345,333,130,832/397,467,844.16 - Step 6: Final answer
x = 207,987,505.27
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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.