Home / 408,613,649.55-563,898,799.76-222,986,629.95

Finding the Fourth Proportional to 408,613,649.55, 563,898,799.76 and 222,986,629.95

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Solution

The fourth proportional to 408,613,649.55, 563,898,799.76 and 222,986,629.95 is: 307,728,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,613,649.55 : 563,898,799.76 = 222,986,629.95 : x
  2. Step 2: Convert to fraction form
    408,613,649.55/563,898,799.76 = 222,986,629.95/x
  3. Step 3: Cross multiply
    408,613,649.55x = 563,898,799.76 × 222,986,629.95
  4. Step 4: Simplify right side
    408,613,649.55x = 125,741,892,990,217,328
  5. Step 5: Solve for x
    x = 125,741,892,990,217,328/408,613,649.55
  6. Step 6: Final answer
    x = 307,728,077.93

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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.