Home / 800,725,791.99-1,200,856,691.03-240,465,017.91

Finding the Fourth Proportional to 800,725,791.99, 1,200,856,691.03 and 240,465,017.91

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Solution

The fourth proportional to 800,725,791.99, 1,200,856,691.03 and 240,465,017.91 is: 360,627,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,725,791.99 : 1,200,856,691.03 = 240,465,017.91 : x
  2. Step 2: Convert to fraction form
    800,725,791.99/1,200,856,691.03 = 240,465,017.91/x
  3. Step 3: Cross multiply
    800,725,791.99x = 1,200,856,691.03 × 240,465,017.91
  4. Step 4: Simplify right side
    800,725,791.99x = 288,764,025,714,669,952
  5. Step 5: Solve for x
    x = 288,764,025,714,669,952/800,725,791.99
  6. Step 6: Final answer
    x = 360,627,856.13

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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.