Home / 960,267,220.29-1,325,170,108.67-520,234,072.29

Finding the Fourth Proportional to 960,267,220.29, 1,325,170,108.67 and 520,234,072.29

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Solution

The fourth proportional to 960,267,220.29, 1,325,170,108.67 and 520,234,072.29 is: 717,923,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,267,220.29 : 1,325,170,108.67 = 520,234,072.29 : x
  2. Step 2: Convert to fraction form
    960,267,220.29/1,325,170,108.67 = 520,234,072.29/x
  3. Step 3: Cross multiply
    960,267,220.29x = 1,325,170,108.67 × 520,234,072.29
  4. Step 4: Simplify right side
    960,267,220.29x = 689,398,642,107,774,720
  5. Step 5: Solve for x
    x = 689,398,642,107,774,720/960,267,220.29
  6. Step 6: Final answer
    x = 717,923,748.25

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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.