Home / 372,336,321.12-558,317,624.40-216,940,348.32

Finding the Fourth Proportional to 372,336,321.12, 558,317,624.40 and 216,940,348.32

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Solution

The fourth proportional to 372,336,321.12, 558,317,624.40 and 216,940,348.32 is: 325,301,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,336,321.12 : 558,317,624.40 = 216,940,348.32 : x
  2. Step 2: Convert to fraction form
    372,336,321.12/558,317,624.40 = 216,940,348.32/x
  3. Step 3: Cross multiply
    372,336,321.12x = 558,317,624.40 × 216,940,348.32
  4. Step 4: Simplify right side
    372,336,321.12x = 121,121,619,910,530,928
  5. Step 5: Solve for x
    x = 121,121,619,910,530,928/372,336,321.12
  6. Step 6: Final answer
    x = 325,301,650.79

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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.