Home / 664,302,607.20-996,453,910.80-276,403,821.30

Finding the Fourth Proportional to 664,302,607.20, 996,453,910.80 and 276,403,821.30

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Solution

The fourth proportional to 664,302,607.20, 996,453,910.80 and 276,403,821.30 is: 414,605,731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,607.20 : 996,453,910.80 = 276,403,821.30 : x
  2. Step 2: Convert to fraction form
    664,302,607.20/996,453,910.80 = 276,403,821.30/x
  3. Step 3: Cross multiply
    664,302,607.20x = 996,453,910.80 × 276,403,821.30
  4. Step 4: Simplify right side
    664,302,607.20x = 275,423,668,694,449,344
  5. Step 5: Solve for x
    x = 275,423,668,694,449,344/664,302,607.20
  6. Step 6: Final answer
    x = 414,605,731.95

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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.