Finding the Fourth Proportional to 718,933,726.19, 1,078,508,416.71 and 252,512,940.98
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Solution
The fourth proportional to 718,933,726.19, 1,078,508,416.71 and 252,512,940.98 is: 378,807,283.97
Step by Step Solution
- Step 1: Write the proportion equation
718,933,726.19 : 1,078,508,416.71 = 252,512,940.98 : x - Step 2: Convert to fraction form
718,933,726.19/1,078,508,416.71 = 252,512,940.98/x - Step 3: Cross multiply
718,933,726.19x = 1,078,508,416.71 × 252,512,940.98 - Step 4: Simplify right side
718,933,726.19x = 272,337,332,175,125,472 - Step 5: Solve for x
x = 272,337,332,175,125,472/718,933,726.19 - Step 6: Final answer
x = 378,807,283.97
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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.