Finding the Fourth Proportional to 4,088,636,120.91, 5,642,306,694.60 and 2,280,149,954.31
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Solution
The fourth proportional to 4,088,636,120.91, 5,642,306,694.60 and 2,280,149,954.31 is: 3,146,600,717.56
Step by Step Solution
- Step 1: Write the proportion equation
4,088,636,120.91 : 5,642,306,694.60 = 2,280,149,954.31 : x - Step 2: Convert to fraction form
4,088,636,120.91/5,642,306,694.60 = 2,280,149,954.31/x - Step 3: Cross multiply
4,088,636,120.91x = 5,642,306,694.60 × 2,280,149,954.31 - Step 4: Simplify right side
4,088,636,120.91x = 12,865,305,351,895,197,696 - Step 5: Solve for x
x = 12,865,305,351,895,197,696/4,088,636,120.91 - Step 6: Final answer
x = 3,146,600,717.56
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1.5x scale
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.