Finding the Fourth Proportional to 3,951,618,985.97, 5,454,455,293.61 and 2,541,922,946.97
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Solution
The fourth proportional to 3,951,618,985.97, 5,454,455,293.61 and 2,541,922,946.97 is: 3,508,639,148.48
Step by Step Solution
- Step 1: Write the proportion equation
3,951,618,985.97 : 5,454,455,293.61 = 2,541,922,946.97 : x - Step 2: Convert to fraction form
3,951,618,985.97/5,454,455,293.61 = 2,541,922,946.97/x - Step 3: Cross multiply
3,951,618,985.97x = 5,454,455,293.61 × 2,541,922,946.97 - Step 4: Simplify right side
3,951,618,985.97x = 13,864,805,074,049,245,184 - Step 5: Solve for x
x = 13,864,805,074,049,245,184/3,951,618,985.97 - Step 6: Final answer
x = 3,508,639,148.48
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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.