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Finding the Fourth Proportional to 1,228,608,469.80, 1,842,912,704.70 and 793,252,002.60

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Solution

The fourth proportional to 1,228,608,469.80, 1,842,912,704.70 and 793,252,002.60 is: 1,189,878,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,608,469.80 : 1,842,912,704.70 = 793,252,002.60 : x
  2. Step 2: Convert to fraction form
    1,228,608,469.80/1,842,912,704.70 = 793,252,002.60/x
  3. Step 3: Cross multiply
    1,228,608,469.80x = 1,842,912,704.70 × 793,252,002.60
  4. Step 4: Simplify right side
    1,228,608,469.80x = 1,461,894,193,620,257,536
  5. Step 5: Solve for x
    x = 1,461,894,193,620,257,536/1,228,608,469.80
  6. Step 6: Final answer
    x = 1,189,878,003.90

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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.