Home / 960,267,221.29-1,325,170,110.05-520,234,073.29

Finding the Fourth Proportional to 960,267,221.29, 1,325,170,110.05 and 520,234,073.29

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Solution

The fourth proportional to 960,267,221.29, 1,325,170,110.05 and 520,234,073.29 is: 717,923,749.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,267,221.29 : 1,325,170,110.05 = 520,234,073.29 : x
  2. Step 2: Convert to fraction form
    960,267,221.29/1,325,170,110.05 = 520,234,073.29/x
  3. Step 3: Cross multiply
    960,267,221.29x = 1,325,170,110.05 × 520,234,073.29
  4. Step 4: Simplify right side
    960,267,221.29x = 689,398,644,153,469,056
  5. Step 5: Solve for x
    x = 689,398,644,153,469,056/960,267,221.29
  6. Step 6: Final answer
    x = 717,923,749.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.