Home / 419,981,517.16-630,002,546.34-161,196,737.80

Finding the Fourth Proportional to 419,981,517.16, 630,002,546.34 and 161,196,737.80

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Solution

The fourth proportional to 419,981,517.16, 630,002,546.34 and 161,196,737.80 is: 241,806,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,517.16 : 630,002,546.34 = 161,196,737.80 : x
  2. Step 2: Convert to fraction form
    419,981,517.16/630,002,546.34 = 161,196,737.80/x
  3. Step 3: Cross multiply
    419,981,517.16x = 630,002,546.34 × 161,196,737.80
  4. Step 4: Simplify right side
    419,981,517.16x = 101,554,355,275,701,344
  5. Step 5: Solve for x
    x = 101,554,355,275,701,344/419,981,517.16
  6. Step 6: Final answer
    x = 241,806,725.12

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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.