Home / 451,164,221.73-676,606,183.22-217,849,872.87

Finding the Fourth Proportional to 451,164,221.73, 676,606,183.22 and 217,849,872.87

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Solution

The fourth proportional to 451,164,221.73, 676,606,183.22 and 217,849,872.87 is: 326,707,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,164,221.73 : 676,606,183.22 = 217,849,872.87 : x
  2. Step 2: Convert to fraction form
    451,164,221.73/676,606,183.22 = 217,849,872.87/x
  3. Step 3: Cross multiply
    451,164,221.73x = 676,606,183.22 × 217,849,872.87
  4. Step 4: Simplify right side
    451,164,221.73x = 147,398,570,998,077,536
  5. Step 5: Solve for x
    x = 147,398,570,998,077,536/451,164,221.73
  6. Step 6: Final answer
    x = 326,707,136.56

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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.