Home / 423,768,760.92-635,310,115.76-132,485,948.80

Finding the Fourth Proportional to 423,768,760.92, 635,310,115.76 and 132,485,948.80

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Solution

The fourth proportional to 423,768,760.92, 635,310,115.76 and 132,485,948.80 is: 198,621,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,768,760.92 : 635,310,115.76 = 132,485,948.80 : x
  2. Step 2: Convert to fraction form
    423,768,760.92/635,310,115.76 = 132,485,948.80/x
  3. Step 3: Cross multiply
    423,768,760.92x = 635,310,115.76 × 132,485,948.80
  4. Step 4: Simplify right side
    423,768,760.92x = 84,169,663,468,701,424
  5. Step 5: Solve for x
    x = 84,169,663,468,701,424/423,768,760.92
  6. Step 6: Final answer
    x = 198,621,680.57

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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.