Home / 766,215,394.25-1,057,377,203.60-413,791,351.03

Finding the Fourth Proportional to 766,215,394.25, 1,057,377,203.60 and 413,791,351.03

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Solution

The fourth proportional to 766,215,394.25, 1,057,377,203.60 and 413,791,351.03 is: 571,032,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,394.25 : 1,057,377,203.60 = 413,791,351.03 : x
  2. Step 2: Convert to fraction form
    766,215,394.25/1,057,377,203.60 = 413,791,351.03/x
  3. Step 3: Cross multiply
    766,215,394.25x = 1,057,377,203.60 × 413,791,351.03
  4. Step 4: Simplify right side
    766,215,394.25x = 437,533,541,627,537,408
  5. Step 5: Solve for x
    x = 437,533,541,627,537,408/766,215,394.25
  6. Step 6: Final answer
    x = 571,032,042.57

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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.