Home / 408,613,645.80-563,898,794.58-222,986,626.20

Finding the Fourth Proportional to 408,613,645.80, 563,898,794.58 and 222,986,626.20

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Solution

The fourth proportional to 408,613,645.80, 563,898,794.58 and 222,986,626.20 is: 307,728,072.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,613,645.80 : 563,898,794.58 = 222,986,626.20 : x
  2. Step 2: Convert to fraction form
    408,613,645.80/563,898,794.58 = 222,986,626.20/x
  3. Step 3: Cross multiply
    408,613,645.80x = 563,898,794.58 × 222,986,626.20
  4. Step 4: Simplify right side
    408,613,645.80x = 125,741,889,721,641,056
  5. Step 5: Solve for x
    x = 125,741,889,721,641,056/408,613,645.80
  6. Step 6: Final answer
    x = 307,728,072.75

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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.