Home / 639,738,546.30-959,607,819.45-295,364,778.30

Finding the Fourth Proportional to 639,738,546.30, 959,607,819.45 and 295,364,778.30

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Solution

The fourth proportional to 639,738,546.30, 959,607,819.45 and 295,364,778.30 is: 443,047,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,738,546.30 : 959,607,819.45 = 295,364,778.30 : x
  2. Step 2: Convert to fraction form
    639,738,546.30/959,607,819.45 = 295,364,778.30/x
  3. Step 3: Cross multiply
    639,738,546.30x = 959,607,819.45 × 295,364,778.30
  4. Step 4: Simplify right side
    639,738,546.30x = 283,434,350,846,795,712
  5. Step 5: Solve for x
    x = 283,434,350,846,795,712/639,738,546.30
  6. Step 6: Final answer
    x = 443,047,167.45

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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.