Home / 766,215,398.34-1,057,377,209.25-413,791,355.13

Finding the Fourth Proportional to 766,215,398.34, 1,057,377,209.25 and 413,791,355.13

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Solution

The fourth proportional to 766,215,398.34, 1,057,377,209.25 and 413,791,355.13 is: 571,032,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,398.34 : 1,057,377,209.25 = 413,791,355.13 : x
  2. Step 2: Convert to fraction form
    766,215,398.34/1,057,377,209.25 = 413,791,355.13/x
  3. Step 3: Cross multiply
    766,215,398.34x = 1,057,377,209.25 × 413,791,355.13
  4. Step 4: Simplify right side
    766,215,398.34x = 437,533,548,299,135,040
  5. Step 5: Solve for x
    x = 437,533,548,299,135,040/766,215,398.34
  6. Step 6: Final answer
    x = 571,032,048.23

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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.