Home / 484,575,691.20-726,863,536.80-225,704,875.20

Finding the Fourth Proportional to 484,575,691.20, 726,863,536.80 and 225,704,875.20

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Solution

The fourth proportional to 484,575,691.20, 726,863,536.80 and 225,704,875.20 is: 338,557,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,575,691.20 : 726,863,536.80 = 225,704,875.20 : x
  2. Step 2: Convert to fraction form
    484,575,691.20/726,863,536.80 = 225,704,875.20/x
  3. Step 3: Cross multiply
    484,575,691.20x = 726,863,536.80 × 225,704,875.20
  4. Step 4: Simplify right side
    484,575,691.20x = 164,056,643,860,874,592
  5. Step 5: Solve for x
    x = 164,056,643,860,874,592/484,575,691.20
  6. Step 6: Final answer
    x = 338,557,312.80

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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.