Home / 466,519,418.20-699,508,395.42-220,873,990.78

Finding the Fourth Proportional to 466,519,418.20, 699,508,395.42 and 220,873,990.78

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Solution

The fourth proportional to 466,519,418.20, 699,508,395.42 and 220,873,990.78 is: 331,182,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,519,418.20 : 699,508,395.42 = 220,873,990.78 : x
  2. Step 2: Convert to fraction form
    466,519,418.20/699,508,395.42 = 220,873,990.78/x
  3. Step 3: Cross multiply
    466,519,418.20x = 699,508,395.42 × 220,873,990.78
  4. Step 4: Simplify right side
    466,519,418.20x = 154,503,210,880,529,664
  5. Step 5: Solve for x
    x = 154,503,210,880,529,664/466,519,418.20
  6. Step 6: Final answer
    x = 331,182,807.95

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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.