Finding the Fourth Proportional to 2,517,431,018.48, 3,775,502,414.68 and 746,387,605.32
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Solution
The fourth proportional to 2,517,431,018.48, 3,775,502,414.68 and 746,387,605.32 is: 1,119,390,436.32
Step by Step Solution
- Step 1: Write the proportion equation
2,517,431,018.48 : 3,775,502,414.68 = 746,387,605.32 : x - Step 2: Convert to fraction form
2,517,431,018.48/3,775,502,414.68 = 746,387,605.32/x - Step 3: Cross multiply
2,517,431,018.48x = 3,775,502,414.68 × 746,387,605.32 - Step 4: Simplify right side
2,517,431,018.48x = 2,817,988,206,172,882,944 - Step 5: Solve for x
x = 2,817,988,206,172,882,944/2,517,431,018.48 - Step 6: Final answer
x = 1,119,390,436.32
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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.