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Finding the Fourth Proportional to 725,784,713.90, 1,088,677,070.85 and 650,957,821.10

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Solution

The fourth proportional to 725,784,713.90, 1,088,677,070.85 and 650,957,821.10 is: 976,436,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,784,713.90 : 1,088,677,070.85 = 650,957,821.10 : x
  2. Step 2: Convert to fraction form
    725,784,713.90/1,088,677,070.85 = 650,957,821.10/x
  3. Step 3: Cross multiply
    725,784,713.90x = 1,088,677,070.85 × 650,957,821.10
  4. Step 4: Simplify right side
    725,784,713.90x = 708,682,853,922,046,336
  5. Step 5: Solve for x
    x = 708,682,853,922,046,336/725,784,713.90
  6. Step 6: Final answer
    x = 976,436,731.65

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.