Home / 900,331,121.80-1,350,471,489.54-286,952,154.76

Finding the Fourth Proportional to 900,331,121.80, 1,350,471,489.54 and 286,952,154.76

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Solution

The fourth proportional to 900,331,121.80, 1,350,471,489.54 and 286,952,154.76 is: 430,420,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,331,121.80 : 1,350,471,489.54 = 286,952,154.76 : x
  2. Step 2: Convert to fraction form
    900,331,121.80/1,350,471,489.54 = 286,952,154.76/x
  3. Step 3: Cross multiply
    900,331,121.80x = 1,350,471,489.54 × 286,952,154.76
  4. Step 4: Simplify right side
    900,331,121.80x = 387,520,703,865,449,792
  5. Step 5: Solve for x
    x = 387,520,703,865,449,792/900,331,121.80
  6. Step 6: Final answer
    x = 430,420,202.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.