Home / 419,981,517.66-630,002,547.09-161,196,738.30

Finding the Fourth Proportional to 419,981,517.66, 630,002,547.09 and 161,196,738.30

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Solution

The fourth proportional to 419,981,517.66, 630,002,547.09 and 161,196,738.30 is: 241,806,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,981,517.66 : 630,002,547.09 = 161,196,738.30 : x
  2. Step 2: Convert to fraction form
    419,981,517.66/630,002,547.09 = 161,196,738.30/x
  3. Step 3: Cross multiply
    419,981,517.66x = 630,002,547.09 × 161,196,738.30
  4. Step 4: Simplify right side
    419,981,517.66x = 101,554,355,711,600,176
  5. Step 5: Solve for x
    x = 101,554,355,711,600,176/419,981,517.66
  6. Step 6: Final answer
    x = 241,806,725.87

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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.