Finding the Fourth Proportional to 986,154,201.24, 1,360,894,124.16 and 534,032,957.13
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Solution
The fourth proportional to 986,154,201.24, 1,360,894,124.16 and 534,032,957.13 is: 736,966,199.15
Step by Step Solution
- Step 1: Write the proportion equation
986,154,201.24 : 1,360,894,124.16 = 534,032,957.13 : x - Step 2: Convert to fraction form
986,154,201.24/1,360,894,124.16 = 534,032,957.13/x - Step 3: Cross multiply
986,154,201.24x = 1,360,894,124.16 × 534,032,957.13 - Step 4: Simplify right side
986,154,201.24x = 726,762,313,466,006,272 - Step 5: Solve for x
x = 726,762,313,466,006,272/986,154,201.24 - Step 6: Final answer
x = 736,966,199.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.