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Finding the Fourth Proportional to 534,041,564.80, 801,204,064.80 and 188,959,208.80

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Solution

The fourth proportional to 534,041,564.80, 801,204,064.80 and 188,959,208.80 is: 283,488,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,041,564.80 : 801,204,064.80 = 188,959,208.80 : x
  2. Step 2: Convert to fraction form
    534,041,564.80/801,204,064.80 = 188,959,208.80/x
  3. Step 3: Cross multiply
    534,041,564.80x = 801,204,064.80 × 188,959,208.80
  4. Step 4: Simplify right side
    534,041,564.80x = 151,394,886,171,951,936
  5. Step 5: Solve for x
    x = 151,394,886,171,951,936/534,041,564.80
  6. Step 6: Final answer
    x = 283,488,956.95

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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.