Home / 401,970,082.28-554,722,614.61-232,411,589.21

Finding the Fourth Proportional to 401,970,082.28, 554,722,614.61 and 232,411,589.21

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Solution

The fourth proportional to 401,970,082.28, 554,722,614.61 and 232,411,589.21 is: 320,730,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,970,082.28 : 554,722,614.61 = 232,411,589.21 : x
  2. Step 2: Convert to fraction form
    401,970,082.28/554,722,614.61 = 232,411,589.21/x
  3. Step 3: Cross multiply
    401,970,082.28x = 554,722,614.61 × 232,411,589.21
  4. Step 4: Simplify right side
    401,970,082.28x = 128,923,964,433,042,240
  5. Step 5: Solve for x
    x = 128,923,964,433,042,240/401,970,082.28
  6. Step 6: Final answer
    x = 320,730,248.64

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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.