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Finding the Fourth Proportional to 483,846,906.30, 725,770,359.45 and 266,168,672.70

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Solution

The fourth proportional to 483,846,906.30, 725,770,359.45 and 266,168,672.70 is: 399,253,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,846,906.30 : 725,770,359.45 = 266,168,672.70 : x
  2. Step 2: Convert to fraction form
    483,846,906.30/725,770,359.45 = 266,168,672.70/x
  3. Step 3: Cross multiply
    483,846,906.30x = 725,770,359.45 × 266,168,672.70
  4. Step 4: Simplify right side
    483,846,906.30x = 193,177,333,259,808,416
  5. Step 5: Solve for x
    x = 193,177,333,259,808,416/483,846,906.30
  6. Step 6: Final answer
    x = 399,253,009.05

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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.