Home / 466,519,417.20-699,508,393.92-220,873,989.78

Finding the Fourth Proportional to 466,519,417.20, 699,508,393.92 and 220,873,989.78

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Solution

The fourth proportional to 466,519,417.20, 699,508,393.92 and 220,873,989.78 is: 331,182,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,519,417.20 : 699,508,393.92 = 220,873,989.78 : x
  2. Step 2: Convert to fraction form
    466,519,417.20/699,508,393.92 = 220,873,989.78/x
  3. Step 3: Cross multiply
    466,519,417.20x = 699,508,393.92 × 220,873,989.78
  4. Step 4: Simplify right side
    466,519,417.20x = 154,503,209,849,710,272
  5. Step 5: Solve for x
    x = 154,503,209,849,710,272/466,519,417.20
  6. Step 6: Final answer
    x = 331,182,806.45

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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.