Home / 510,498,983.31-765,587,849.45-165,372,537.39

Finding the Fourth Proportional to 510,498,983.31, 765,587,849.45 and 165,372,537.39

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Solution

The fourth proportional to 510,498,983.31, 765,587,849.45 and 165,372,537.39 is: 248,006,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,498,983.31 : 765,587,849.45 = 165,372,537.39 : x
  2. Step 2: Convert to fraction form
    510,498,983.31/765,587,849.45 = 165,372,537.39/x
  3. Step 3: Cross multiply
    510,498,983.31x = 765,587,849.45 × 165,372,537.39
  4. Step 4: Simplify right side
    510,498,983.31x = 126,607,205,257,672,944
  5. Step 5: Solve for x
    x = 126,607,205,257,672,944/510,498,983.31
  6. Step 6: Final answer
    x = 248,006,772.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.