Home / 442,848,811.20-664,269,717.60-115,323,691.20

Finding the Fourth Proportional to 442,848,811.20, 664,269,717.60 and 115,323,691.20

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Solution

The fourth proportional to 442,848,811.20, 664,269,717.60 and 115,323,691.20 is: 172,984,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,848,811.20 : 664,269,717.60 = 115,323,691.20 : x
  2. Step 2: Convert to fraction form
    442,848,811.20/664,269,717.60 = 115,323,691.20/x
  3. Step 3: Cross multiply
    442,848,811.20x = 664,269,717.60 × 115,323,691.20
  4. Step 4: Simplify right side
    442,848,811.20x = 76,606,035,786,013,616
  5. Step 5: Solve for x
    x = 76,606,035,786,013,616/442,848,811.20
  6. Step 6: Final answer
    x = 172,984,625.56

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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.