Home / 669,187,957.52-1,002,328,334.04-323,416,431.92

Finding the Fourth Proportional to 669,187,957.52, 1,002,328,334.04 and 323,416,431.92

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Solution

The fourth proportional to 669,187,957.52, 1,002,328,334.04 and 323,416,431.92 is: 484,422,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,187,957.52 : 1,002,328,334.04 = 323,416,431.92 : x
  2. Step 2: Convert to fraction form
    669,187,957.52/1,002,328,334.04 = 323,416,431.92/x
  3. Step 3: Cross multiply
    669,187,957.52x = 1,002,328,334.04 × 323,416,431.92
  4. Step 4: Simplify right side
    669,187,957.52x = 324,169,453,407,534,656
  5. Step 5: Solve for x
    x = 324,169,453,407,534,656/669,187,957.52
  6. Step 6: Final answer
    x = 484,422,126.50

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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.