Home / 392,509,857.04-541,667,184.92-216,304,174.68

Finding the Fourth Proportional to 392,509,857.04, 541,667,184.92 and 216,304,174.68

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Solution

The fourth proportional to 392,509,857.04, 541,667,184.92 and 216,304,174.68 is: 298,501,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,509,857.04 : 541,667,184.92 = 216,304,174.68 : x
  2. Step 2: Convert to fraction form
    392,509,857.04/541,667,184.92 = 216,304,174.68/x
  3. Step 3: Cross multiply
    392,509,857.04x = 541,667,184.92 × 216,304,174.68
  4. Step 4: Simplify right side
    392,509,857.04x = 117,164,873,385,359,536
  5. Step 5: Solve for x
    x = 117,164,873,385,359,536/392,509,857.04
  6. Step 6: Final answer
    x = 298,501,735.14

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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.