Home / 766,215,474.60-1,057,377,314.17-413,791,431.14

Finding the Fourth Proportional to 766,215,474.60, 1,057,377,314.17 and 413,791,431.14

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Solution

The fourth proportional to 766,215,474.60, 1,057,377,314.17 and 413,791,431.14 is: 571,032,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,474.60 : 1,057,377,314.17 = 413,791,431.14 : x
  2. Step 2: Convert to fraction form
    766,215,474.60/1,057,377,314.17 = 413,791,431.14/x
  3. Step 3: Cross multiply
    766,215,474.60x = 1,057,377,314.17 × 413,791,431.14
  4. Step 4: Simplify right side
    766,215,474.60x = 437,533,672,080,305,920
  5. Step 5: Solve for x
    x = 437,533,672,080,305,920/766,215,474.60
  6. Step 6: Final answer
    x = 571,032,152.94

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Double scale
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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.