Home / 442,584,078.60-663,869,897.10-200,246,593.80

Finding the Fourth Proportional to 442,584,078.60, 663,869,897.10 and 200,246,593.80

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Solution

The fourth proportional to 442,584,078.60, 663,869,897.10 and 200,246,593.80 is: 300,367,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,584,078.60 : 663,869,897.10 = 200,246,593.80 : x
  2. Step 2: Convert to fraction form
    442,584,078.60/663,869,897.10 = 200,246,593.80/x
  3. Step 3: Cross multiply
    442,584,078.60x = 663,869,897.10 × 200,246,593.80
  4. Step 4: Simplify right side
    442,584,078.60x = 132,937,685,620,631,504
  5. Step 5: Solve for x
    x = 132,937,685,620,631,504/442,584,078.60
  6. Step 6: Final answer
    x = 300,367,076.11

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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.