Home / 960,267,221.42-1,325,170,110.22-520,234,073.42

Finding the Fourth Proportional to 960,267,221.42, 1,325,170,110.22 and 520,234,073.42

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Solution

The fourth proportional to 960,267,221.42, 1,325,170,110.22 and 520,234,073.42 is: 717,923,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,267,221.42 : 1,325,170,110.22 = 520,234,073.42 : x
  2. Step 2: Convert to fraction form
    960,267,221.42/1,325,170,110.22 = 520,234,073.42/x
  3. Step 3: Cross multiply
    960,267,221.42x = 1,325,170,110.22 × 520,234,073.42
  4. Step 4: Simplify right side
    960,267,221.42x = 689,398,644,406,254,592
  5. Step 5: Solve for x
    x = 689,398,644,406,254,592/960,267,221.42
  6. Step 6: Final answer
    x = 717,923,749.80

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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.