Home / 484,493,557.20-726,740,335.80-238,967,815.20

Finding the Fourth Proportional to 484,493,557.20, 726,740,335.80 and 238,967,815.20

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Solution

The fourth proportional to 484,493,557.20, 726,740,335.80 and 238,967,815.20 is: 358,451,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,493,557.20 : 726,740,335.80 = 238,967,815.20 : x
  2. Step 2: Convert to fraction form
    484,493,557.20/726,740,335.80 = 238,967,815.20/x
  3. Step 3: Cross multiply
    484,493,557.20x = 726,740,335.80 × 238,967,815.20
  4. Step 4: Simplify right side
    484,493,557.20x = 173,667,550,263,840,320
  5. Step 5: Solve for x
    x = 173,667,550,263,840,320/484,493,557.20
  6. Step 6: Final answer
    x = 358,451,722.80

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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.