Home / 766,215,426.69-1,057,377,248.61-413,791,383.36

Finding the Fourth Proportional to 766,215,426.69, 1,057,377,248.61 and 413,791,383.36

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Solution

The fourth proportional to 766,215,426.69, 1,057,377,248.61 and 413,791,383.36 is: 571,032,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,426.69 : 1,057,377,248.61 = 413,791,383.36 : x
  2. Step 2: Convert to fraction form
    766,215,426.69/1,057,377,248.61 = 413,791,383.36/x
  3. Step 3: Cross multiply
    766,215,426.69x = 1,057,377,248.61 × 413,791,383.36
  4. Step 4: Simplify right side
    766,215,426.69x = 437,533,594,435,722,560
  5. Step 5: Solve for x
    x = 437,533,594,435,722,560/766,215,426.69
  6. Step 6: Final answer
    x = 571,032,087.31

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Double scale
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1.5x scale

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.