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Finding the Fourth Proportional to 1,062,885,127.70, 1,594,327,691.55 and 830,432,834.30

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Solution

The fourth proportional to 1,062,885,127.70, 1,594,327,691.55 and 830,432,834.30 is: 1,245,649,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,885,127.70 : 1,594,327,691.55 = 830,432,834.30 : x
  2. Step 2: Convert to fraction form
    1,062,885,127.70/1,594,327,691.55 = 830,432,834.30/x
  3. Step 3: Cross multiply
    1,062,885,127.70x = 1,594,327,691.55 × 830,432,834.30
  4. Step 4: Simplify right side
    1,062,885,127.70x = 1,323,982,063,696,842,496
  5. Step 5: Solve for x
    x = 1,323,982,063,696,842,496/1,062,885,127.70
  6. Step 6: Final answer
    x = 1,245,649,251.45

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Double scale
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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.