Home / 766,215,383.25-1,057,377,188.41-413,791,340.01

Finding the Fourth Proportional to 766,215,383.25, 1,057,377,188.41 and 413,791,340.01

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Solution

The fourth proportional to 766,215,383.25, 1,057,377,188.41 and 413,791,340.01 is: 571,032,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,383.25 : 1,057,377,188.41 = 413,791,340.01 : x
  2. Step 2: Convert to fraction form
    766,215,383.25/1,057,377,188.41 = 413,791,340.01/x
  3. Step 3: Cross multiply
    766,215,383.25x = 1,057,377,188.41 × 413,791,340.01
  4. Step 4: Simplify right side
    766,215,383.25x = 437,533,523,691,492,160
  5. Step 5: Solve for x
    x = 437,533,523,691,492,160/766,215,383.25
  6. Step 6: Final answer
    x = 571,032,027.36

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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.