Home / 725,785,147.11-1,088,684,021.12-234,498,469.25

Finding the Fourth Proportional to 725,785,147.11, 1,088,684,021.12 and 234,498,469.25

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Solution

The fourth proportional to 725,785,147.11, 1,088,684,021.12 and 234,498,469.25 is: 351,749,739.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,785,147.11 : 1,088,684,021.12 = 234,498,469.25 : x
  2. Step 2: Convert to fraction form
    725,785,147.11/1,088,684,021.12 = 234,498,469.25/x
  3. Step 3: Cross multiply
    725,785,147.11x = 1,088,684,021.12 × 234,498,469.25
  4. Step 4: Simplify right side
    725,785,147.11x = 255,294,736,446,331,232
  5. Step 5: Solve for x
    x = 255,294,736,446,331,232/725,785,147.11
  6. Step 6: Final answer
    x = 351,749,739.52

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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.