Home / 449,484,817.20-674,272,132.20-121,965,529.20

Finding the Fourth Proportional to 449,484,817.20, 674,272,132.20 and 121,965,529.20

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Solution

The fourth proportional to 449,484,817.20, 674,272,132.20 and 121,965,529.20 is: 182,960,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,484,817.20 : 674,272,132.20 = 121,965,529.20 : x
  2. Step 2: Convert to fraction form
    449,484,817.20/674,272,132.20 = 121,965,529.20/x
  3. Step 3: Cross multiply
    449,484,817.20x = 674,272,132.20 × 121,965,529.20
  4. Step 4: Simplify right side
    449,484,817.20x = 82,237,957,428,585,376
  5. Step 5: Solve for x
    x = 82,237,957,428,585,376/449,484,817.20
  6. Step 6: Final answer
    x = 182,960,478.93

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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.