Home / 725,309,707.61-1,000,930,786.10-412,061,110.38

Finding the Fourth Proportional to 725,309,707.61, 1,000,930,786.10 and 412,061,110.38

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Solution

The fourth proportional to 725,309,707.61, 1,000,930,786.10 and 412,061,110.38 is: 568,646,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,707.61 : 1,000,930,786.10 = 412,061,110.38 : x
  2. Step 2: Convert to fraction form
    725,309,707.61/1,000,930,786.10 = 412,061,110.38/x
  3. Step 3: Cross multiply
    725,309,707.61x = 1,000,930,786.10 × 412,061,110.38
  4. Step 4: Simplify right side
    725,309,707.61x = 412,444,651,135,705,344
  5. Step 5: Solve for x
    x = 412,444,651,135,705,344/725,309,707.61
  6. Step 6: Final answer
    x = 568,646,258.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.