Home / 408,613,651.55-563,898,802.52-222,986,631.95

Finding the Fourth Proportional to 408,613,651.55, 563,898,802.52 and 222,986,631.95

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Solution

The fourth proportional to 408,613,651.55, 563,898,802.52 and 222,986,631.95 is: 307,728,080.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,613,651.55 : 563,898,802.52 = 222,986,631.95 : x
  2. Step 2: Convert to fraction form
    408,613,651.55/563,898,802.52 = 222,986,631.95/x
  3. Step 3: Cross multiply
    408,613,651.55x = 563,898,802.52 × 222,986,631.95
  4. Step 4: Simplify right side
    408,613,651.55x = 125,741,894,734,572,960
  5. Step 5: Solve for x
    x = 125,741,894,734,572,960/408,613,651.55
  6. Step 6: Final answer
    x = 307,728,080.69

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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.