Home / 484,230,753.60-726,346,130.40-193,142,803.20

Finding the Fourth Proportional to 484,230,753.60, 726,346,130.40 and 193,142,803.20

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Solution

The fourth proportional to 484,230,753.60, 726,346,130.40 and 193,142,803.20 is: 289,714,204.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,230,753.60 : 726,346,130.40 = 193,142,803.20 : x
  2. Step 2: Convert to fraction form
    484,230,753.60/726,346,130.40 = 193,142,803.20/x
  3. Step 3: Cross multiply
    484,230,753.60x = 726,346,130.40 × 193,142,803.20
  4. Step 4: Simplify right side
    484,230,753.60x = 140,288,527,718,928,720
  5. Step 5: Solve for x
    x = 140,288,527,718,928,720/484,230,753.60
  6. Step 6: Final answer
    x = 289,714,204.80

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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.