Finding the Fourth Proportional to 488,678,690.54, 732,036,593.97 and 225,995,043.62
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Solution
The fourth proportional to 488,678,690.54, 732,036,593.97 and 225,995,043.62 is: 338,538,686.43
Step by Step Solution
- Step 1: Write the proportion equation
488,678,690.54 : 732,036,593.97 = 225,995,043.62 : x - Step 2: Convert to fraction form
488,678,690.54/732,036,593.97 = 225,995,043.62/x - Step 3: Cross multiply
488,678,690.54x = 732,036,593.97 × 225,995,043.62 - Step 4: Simplify right side
488,678,690.54x = 165,436,641,982,026,208 - Step 5: Solve for x
x = 165,436,641,982,026,208/488,678,690.54 - Step 6: Final answer
x = 338,538,686.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.