Home / 361,532,141.48-492,239,812.28-360,384,228.92

Finding the Fourth Proportional to 361,532,141.48, 492,239,812.28 and 360,384,228.92

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Solution

The fourth proportional to 361,532,141.48, 492,239,812.28 and 360,384,228.92 is: 490,676,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,532,141.48 : 492,239,812.28 = 360,384,228.92 : x
  2. Step 2: Convert to fraction form
    361,532,141.48/492,239,812.28 = 360,384,228.92/x
  3. Step 3: Cross multiply
    361,532,141.48x = 492,239,812.28 × 360,384,228.92
  4. Step 4: Simplify right side
    361,532,141.48x = 177,395,465,192,253,344
  5. Step 5: Solve for x
    x = 177,395,465,192,253,344/361,532,141.48
  6. Step 6: Final answer
    x = 490,676,885.51

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.