Home / 661,195,377.27-991,936,542.21-201,121,589.16

Finding the Fourth Proportional to 661,195,377.27, 991,936,542.21 and 201,121,589.16

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Solution

The fourth proportional to 661,195,377.27, 991,936,542.21 and 201,121,589.16 is: 301,726,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,195,377.27 : 991,936,542.21 = 201,121,589.16 : x
  2. Step 2: Convert to fraction form
    661,195,377.27/991,936,542.21 = 201,121,589.16/x
  3. Step 3: Cross multiply
    661,195,377.27x = 991,936,542.21 × 201,121,589.16
  4. Step 4: Simplify right side
    661,195,377.27x = 199,499,853,715,150,624
  5. Step 5: Solve for x
    x = 199,499,853,715,150,624/661,195,377.27
  6. Step 6: Final answer
    x = 301,726,026.18

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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.