Finding the Fourth Proportional to 752,346,696.32, 1,038,144,425.28 and 417,773,729.92
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Solution
The fourth proportional to 752,346,696.32, 1,038,144,425.28 and 417,773,729.92 is: 576,475,540.95
Step by Step Solution
- Step 1: Write the proportion equation
752,346,696.32 : 1,038,144,425.28 = 417,773,729.92 : x - Step 2: Convert to fraction form
752,346,696.32/1,038,144,425.28 = 417,773,729.92/x - Step 3: Cross multiply
752,346,696.32x = 1,038,144,425.28 × 417,773,729.92 - Step 4: Simplify right side
752,346,696.32x = 433,709,468,744,880,320 - Step 5: Solve for x
x = 433,709,468,744,880,320/752,346,696.32 - Step 6: Final answer
x = 576,475,540.95
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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.