Home / 689,233,150.92-1,033,858,723.20-229,171,320.27

Finding the Fourth Proportional to 689,233,150.92, 1,033,858,723.20 and 229,171,320.27

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Solution

The fourth proportional to 689,233,150.92, 1,033,858,723.20 and 229,171,320.27 is: 343,759,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,233,150.92 : 1,033,858,723.20 = 229,171,320.27 : x
  2. Step 2: Convert to fraction form
    689,233,150.92/1,033,858,723.20 = 229,171,320.27/x
  3. Step 3: Cross multiply
    689,233,150.92x = 1,033,858,723.20 × 229,171,320.27
  4. Step 4: Simplify right side
    689,233,150.92x = 236,930,768,568,400,512
  5. Step 5: Solve for x
    x = 236,930,768,568,400,512/689,233,150.92
  6. Step 6: Final answer
    x = 343,759,971.86

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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.