Finding the Fourth Proportional to 1,264,156,207.29, 1,744,522,715.95 and 699,642,184.97
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Solution
The fourth proportional to 1,264,156,207.29, 1,744,522,715.95 and 699,642,184.97 is: 965,499,103.42
Step by Step Solution
- Step 1: Write the proportion equation
1,264,156,207.29 : 1,744,522,715.95 = 699,642,184.97 : x - Step 2: Convert to fraction form
1,264,156,207.29/1,744,522,715.95 = 699,642,184.97/x - Step 3: Cross multiply
1,264,156,207.29x = 1,744,522,715.95 × 699,642,184.97 - Step 4: Simplify right side
1,264,156,207.29x = 1,220,541,684,719,668,736 - Step 5: Solve for x
x = 1,220,541,684,719,668,736/1,264,156,207.29 - Step 6: Final answer
x = 965,499,103.42
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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.