Finding the Fourth Proportional to 2,078,319,436.17, 2,868,057,988.90 and 1,125,676,473.54
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Solution
The fourth proportional to 2,078,319,436.17, 2,868,057,988.90 and 1,125,676,473.54 is: 1,553,421,166.48
Step by Step Solution
- Step 1: Write the proportion equation
2,078,319,436.17 : 2,868,057,988.90 = 1,125,676,473.54 : x - Step 2: Convert to fraction form
2,078,319,436.17/2,868,057,988.90 = 1,125,676,473.54/x - Step 3: Cross multiply
2,078,319,436.17x = 2,868,057,988.90 × 1,125,676,473.54 - Step 4: Simplify right side
2,078,319,436.17x = 3,228,505,402,861,515,264 - Step 5: Solve for x
x = 3,228,505,402,861,515,264/2,078,319,436.17 - Step 6: Final answer
x = 1,553,421,166.48
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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.