Finding the Fourth Proportional to 4,088,676,771.92, 5,647,028,212.68 and 2,748,239,689.52
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Solution
The fourth proportional to 4,088,676,771.92, 5,647,028,212.68 and 2,748,239,689.52 is: 3,795,699,177.91
Step by Step Solution
- Step 1: Write the proportion equation
4,088,676,771.92 : 5,647,028,212.68 = 2,748,239,689.52 : x - Step 2: Convert to fraction form
4,088,676,771.92/5,647,028,212.68 = 2,748,239,689.52/x - Step 3: Cross multiply
4,088,676,771.92x = 5,647,028,212.68 × 2,748,239,689.52 - Step 4: Simplify right side
4,088,676,771.92x = 15,519,387,061,926,365,184 - Step 5: Solve for x
x = 15,519,387,061,926,365,184/4,088,676,771.92 - Step 6: Final answer
x = 3,795,699,177.91
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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.