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Finding the Fourth Proportional to 332,670,981.20, 499,006,471.80 and 203,530,818.20

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Solution

The fourth proportional to 332,670,981.20, 499,006,471.80 and 203,530,818.20 is: 305,296,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,670,981.20 : 499,006,471.80 = 203,530,818.20 : x
  2. Step 2: Convert to fraction form
    332,670,981.20/499,006,471.80 = 203,530,818.20/x
  3. Step 3: Cross multiply
    332,670,981.20x = 499,006,471.80 × 203,530,818.20
  4. Step 4: Simplify right side
    332,670,981.20x = 101,563,195,492,549,216
  5. Step 5: Solve for x
    x = 101,563,195,492,549,216/332,670,981.20
  6. Step 6: Final answer
    x = 305,296,227.30

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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.