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Finding the Fourth Proportional to 652,634,151.20, 978,951,226.80 and 504,680,976.80

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Solution

The fourth proportional to 652,634,151.20, 978,951,226.80 and 504,680,976.80 is: 757,021,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,634,151.20 : 978,951,226.80 = 504,680,976.80 : x
  2. Step 2: Convert to fraction form
    652,634,151.20/978,951,226.80 = 504,680,976.80/x
  3. Step 3: Cross multiply
    652,634,151.20x = 978,951,226.80 × 504,680,976.80
  4. Step 4: Simplify right side
    652,634,151.20x = 494,058,061,380,982,336
  5. Step 5: Solve for x
    x = 494,058,061,380,982,336/652,634,151.20
  6. Step 6: Final answer
    x = 757,021,465.20

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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.