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Finding the Fourth Proportional to 327,560,250,415.78, 491,340,375,623.67 and 327,560,250,415.78

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Solution

The fourth proportional to 327,560,250,415.78, 491,340,375,623.67 and 327,560,250,415.78 is: 491,340,375,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,560,250,415.78 : 491,340,375,623.67 = 327,560,250,415.78 : x
  2. Step 2: Convert to fraction form
    327,560,250,415.78/491,340,375,623.67 = 327,560,250,415.78/x
  3. Step 3: Cross multiply
    327,560,250,415.78x = 491,340,375,623.67 × 327,560,250,415.78
  4. Step 4: Simplify right side
    327,560,250,415.78x = 160,943,576,478,672,763,224,064
  5. Step 5: Solve for x
    x = 160,943,576,478,672,763,224,064/327,560,250,415.78
  6. Step 6: Final answer
    x = 491,340,375,623.67

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1.5x scale

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.