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Finding the Fourth Proportional to 577,881,013.60, 866,821,520.40 and 332,993,000.80

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Solution

The fourth proportional to 577,881,013.60, 866,821,520.40 and 332,993,000.80 is: 499,489,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,881,013.60 : 866,821,520.40 = 332,993,000.80 : x
  2. Step 2: Convert to fraction form
    577,881,013.60/866,821,520.40 = 332,993,000.80/x
  3. Step 3: Cross multiply
    577,881,013.60x = 866,821,520.40 × 332,993,000.80
  4. Step 4: Simplify right side
    577,881,013.60x = 288,645,499,236,014,400
  5. Step 5: Solve for x
    x = 288,645,499,236,014,400/577,881,013.60
  6. Step 6: Final answer
    x = 499,489,501.20

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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.