Home / 613,008,546.60-919,512,819.90-321,763,132.20

Finding the Fourth Proportional to 613,008,546.60, 919,512,819.90 and 321,763,132.20

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Solution

The fourth proportional to 613,008,546.60, 919,512,819.90 and 321,763,132.20 is: 482,644,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,008,546.60 : 919,512,819.90 = 321,763,132.20 : x
  2. Step 2: Convert to fraction form
    613,008,546.60/919,512,819.90 = 321,763,132.20/x
  3. Step 3: Cross multiply
    613,008,546.60x = 919,512,819.90 × 321,763,132.20
  4. Step 4: Simplify right side
    613,008,546.60x = 295,865,325,029,078,464
  5. Step 5: Solve for x
    x = 295,865,325,029,078,464/613,008,546.60
  6. Step 6: Final answer
    x = 482,644,698.30

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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.