Home / 766,215,475.73-1,057,377,315.72-413,791,432.27

Finding the Fourth Proportional to 766,215,475.73, 1,057,377,315.72 and 413,791,432.27

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Solution

The fourth proportional to 766,215,475.73, 1,057,377,315.72 and 413,791,432.27 is: 571,032,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,475.73 : 1,057,377,315.72 = 413,791,432.27 : x
  2. Step 2: Convert to fraction form
    766,215,475.73/1,057,377,315.72 = 413,791,432.27/x
  3. Step 3: Cross multiply
    766,215,475.73x = 1,057,377,315.72 × 413,791,432.27
  4. Step 4: Simplify right side
    766,215,475.73x = 437,533,673,920,474,368
  5. Step 5: Solve for x
    x = 437,533,673,920,474,368/766,215,475.73
  6. Step 6: Final answer
    x = 571,032,154.51

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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.