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Finding the Fourth Proportional to 468,998,713.17, 703,504,056.69 and 123,949,359

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Solution

The fourth proportional to 468,998,713.17, 703,504,056.69 and 123,949,359 is: 185,925,620.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,998,713.17 : 703,504,056.69 = 123,949,359 : x
  2. Step 2: Convert to fraction form
    468,998,713.17/703,504,056.69 = 123,949,359/x
  3. Step 3: Cross multiply
    468,998,713.17x = 703,504,056.69 × 123,949,359
  4. Step 4: Simplify right side
    468,998,713.17x = 87,198,876,880,625,168
  5. Step 5: Solve for x
    x = 87,198,876,880,625,168/468,998,713.17
  6. Step 6: Final answer
    x = 185,925,620.76

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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.