Home / 766,215,395.66-1,057,377,205.55-413,791,352.44

Finding the Fourth Proportional to 766,215,395.66, 1,057,377,205.55 and 413,791,352.44

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Solution

The fourth proportional to 766,215,395.66, 1,057,377,205.55 and 413,791,352.44 is: 571,032,044.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,215,395.66 : 1,057,377,205.55 = 413,791,352.44 : x
  2. Step 2: Convert to fraction form
    766,215,395.66/1,057,377,205.55 = 413,791,352.44/x
  3. Step 3: Cross multiply
    766,215,395.66x = 1,057,377,205.55 × 413,791,352.44
  4. Step 4: Simplify right side
    766,215,395.66x = 437,533,543,922,153,408
  5. Step 5: Solve for x
    x = 437,533,543,922,153,408/766,215,395.66
  6. Step 6: Final answer
    x = 571,032,044.51

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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.