Home / 458,752,132.20-688,128,198.30-203,450,500.20

Finding the Fourth Proportional to 458,752,132.20, 688,128,198.30 and 203,450,500.20

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Solution

The fourth proportional to 458,752,132.20, 688,128,198.30 and 203,450,500.20 is: 305,175,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,752,132.20 : 688,128,198.30 = 203,450,500.20 : x
  2. Step 2: Convert to fraction form
    458,752,132.20/688,128,198.30 = 203,450,500.20/x
  3. Step 3: Cross multiply
    458,752,132.20x = 688,128,198.30 × 203,450,500.20
  4. Step 4: Simplify right side
    458,752,132.20x = 140,000,026,145,859,776
  5. Step 5: Solve for x
    x = 140,000,026,145,859,776/458,752,132.20
  6. Step 6: Final answer
    x = 305,175,750.30

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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.