Home / 484,664,571.20-726,996,856.80-408,137,067.20

Finding the Fourth Proportional to 484,664,571.20, 726,996,856.80 and 408,137,067.20

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Solution

The fourth proportional to 484,664,571.20, 726,996,856.80 and 408,137,067.20 is: 612,205,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,664,571.20 : 726,996,856.80 = 408,137,067.20 : x
  2. Step 2: Convert to fraction form
    484,664,571.20/726,996,856.80 = 408,137,067.20/x
  3. Step 3: Cross multiply
    484,664,571.20x = 726,996,856.80 × 408,137,067.20
  4. Step 4: Simplify right side
    484,664,571.20x = 296,714,364,997,970,368
  5. Step 5: Solve for x
    x = 296,714,364,997,970,368/484,664,571.20
  6. Step 6: Final answer
    x = 612,205,600.80

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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.