Finding the Fourth Proportional to 432,897,531.26, 649,569,545.84 and 202,889,983.10
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Solution
The fourth proportional to 432,897,531.26, 649,569,545.84 and 202,889,983.10 is: 304,439,606.74
Step by Step Solution
- Step 1: Write the proportion equation
432,897,531.26 : 649,569,545.84 = 202,889,983.10 : x - Step 2: Convert to fraction form
432,897,531.26/649,569,545.84 = 202,889,983.10/x - Step 3: Cross multiply
432,897,531.26x = 649,569,545.84 × 202,889,983.10 - Step 4: Simplify right side
432,897,531.26x = 131,791,154,175,011,648 - Step 5: Solve for x
x = 131,791,154,175,011,648/432,897,531.26 - Step 6: Final answer
x = 304,439,606.74
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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.