Home / 269,072,972.80-403,609,459.20-255,636,044.80

Finding the Fourth Proportional to 269,072,972.80, 403,609,459.20 and 255,636,044.80

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Solution

The fourth proportional to 269,072,972.80, 403,609,459.20 and 255,636,044.80 is: 383,454,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,072,972.80 : 403,609,459.20 = 255,636,044.80 : x
  2. Step 2: Convert to fraction form
    269,072,972.80/403,609,459.20 = 255,636,044.80/x
  3. Step 3: Cross multiply
    269,072,972.80x = 403,609,459.20 × 255,636,044.80
  4. Step 4: Simplify right side
    269,072,972.80x = 103,177,125,793,754,976
  5. Step 5: Solve for x
    x = 103,177,125,793,754,976/269,072,972.80
  6. Step 6: Final answer
    x = 383,454,067.20

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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.