Home / 327,407,150.80-491,110,726.20-163,670,178.70

Finding the Fourth Proportional to 327,407,150.80, 491,110,726.20 and 163,670,178.70

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Solution

The fourth proportional to 327,407,150.80, 491,110,726.20 and 163,670,178.70 is: 245,505,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,407,150.80 : 491,110,726.20 = 163,670,178.70 : x
  2. Step 2: Convert to fraction form
    327,407,150.80/491,110,726.20 = 163,670,178.70/x
  3. Step 3: Cross multiply
    327,407,150.80x = 491,110,726.20 × 163,670,178.70
  4. Step 4: Simplify right side
    327,407,150.80x = 80,380,180,318,640,768
  5. Step 5: Solve for x
    x = 80,380,180,318,640,768/327,407,150.80
  6. Step 6: Final answer
    x = 245,505,268.05

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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.