Home / 508,840,138.80-763,401,925.80-250,063,801.20

Finding the Fourth Proportional to 508,840,138.80, 763,401,925.80 and 250,063,801.20

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Solution

The fourth proportional to 508,840,138.80, 763,401,925.80 and 250,063,801.20 is: 375,165,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,840,138.80 : 763,401,925.80 = 250,063,801.20 : x
  2. Step 2: Convert to fraction form
    508,840,138.80/763,401,925.80 = 250,063,801.20/x
  3. Step 3: Cross multiply
    508,840,138.80x = 763,401,925.80 × 250,063,801.20
  4. Step 4: Simplify right side
    508,840,138.80x = 190,899,187,408,948,320
  5. Step 5: Solve for x
    x = 190,899,187,408,948,320/508,840,138.80
  6. Step 6: Final answer
    x = 375,165,347.33

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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.