Home / 484,500,023.20-726,750,034.80-280,426,679.20

Finding the Fourth Proportional to 484,500,023.20, 726,750,034.80 and 280,426,679.20

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Solution

The fourth proportional to 484,500,023.20, 726,750,034.80 and 280,426,679.20 is: 420,640,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,500,023.20 : 726,750,034.80 = 280,426,679.20 : x
  2. Step 2: Convert to fraction form
    484,500,023.20/726,750,034.80 = 280,426,679.20/x
  3. Step 3: Cross multiply
    484,500,023.20x = 726,750,034.80 × 280,426,679.20
  4. Step 4: Simplify right side
    484,500,023.20x = 203,800,098,867,448,416
  5. Step 5: Solve for x
    x = 203,800,098,867,448,416/484,500,023.20
  6. Step 6: Final answer
    x = 420,640,018.80

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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.