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Finding the Fourth Proportional to 323,310,400.80, 484,965,601.20 and 159,626,572.80

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Solution

The fourth proportional to 323,310,400.80, 484,965,601.20 and 159,626,572.80 is: 239,439,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,310,400.80 : 484,965,601.20 = 159,626,572.80 : x
  2. Step 2: Convert to fraction form
    323,310,400.80/484,965,601.20 = 159,626,572.80/x
  3. Step 3: Cross multiply
    323,310,400.80x = 484,965,601.20 × 159,626,572.80
  4. Step 4: Simplify right side
    323,310,400.80x = 77,413,396,845,447,568
  5. Step 5: Solve for x
    x = 77,413,396,845,447,568/323,310,400.80
  6. Step 6: Final answer
    x = 239,439,859.20

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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.