Home / 619,401,190.20-929,101,785.30-343,902,175.80

Finding the Fourth Proportional to 619,401,190.20, 929,101,785.30 and 343,902,175.80

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Solution

The fourth proportional to 619,401,190.20, 929,101,785.30 and 343,902,175.80 is: 515,853,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,401,190.20 : 929,101,785.30 = 343,902,175.80 : x
  2. Step 2: Convert to fraction form
    619,401,190.20/929,101,785.30 = 343,902,175.80/x
  3. Step 3: Cross multiply
    619,401,190.20x = 929,101,785.30 × 343,902,175.80
  4. Step 4: Simplify right side
    619,401,190.20x = 319,520,125,504,334,464
  5. Step 5: Solve for x
    x = 319,520,125,504,334,464/619,401,190.20
  6. Step 6: Final answer
    x = 515,853,263.70

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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.