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Finding the Fourth Proportional to 552,140,995.80, 828,211,493.70 and 164,023,728.60

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Solution

The fourth proportional to 552,140,995.80, 828,211,493.70 and 164,023,728.60 is: 246,035,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,140,995.80 : 828,211,493.70 = 164,023,728.60 : x
  2. Step 2: Convert to fraction form
    552,140,995.80/828,211,493.70 = 164,023,728.60/x
  3. Step 3: Cross multiply
    552,140,995.80x = 828,211,493.70 × 164,023,728.60
  4. Step 4: Simplify right side
    552,140,995.80x = 135,846,337,266,049,408
  5. Step 5: Solve for x
    x = 135,846,337,266,049,408/552,140,995.80
  6. Step 6: Final answer
    x = 246,035,592.90

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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.