Home / 200,991,009,621.60-301,486,514,432.40-199,596,295,861.20

Finding the Fourth Proportional to 200,991,009,621.60, 301,486,514,432.40 and 199,596,295,861.20

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Solution

The fourth proportional to 200,991,009,621.60, 301,486,514,432.40 and 199,596,295,861.20 is: 299,394,443,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,991,009,621.60 : 301,486,514,432.40 = 199,596,295,861.20 : x
  2. Step 2: Convert to fraction form
    200,991,009,621.60/301,486,514,432.40 = 199,596,295,861.20/x
  3. Step 3: Cross multiply
    200,991,009,621.60x = 301,486,514,432.40 × 199,596,295,861.20
  4. Step 4: Simplify right side
    200,991,009,621.60x = 60,175,591,532,811,260,002,304
  5. Step 5: Solve for x
    x = 60,175,591,532,811,260,002,304/200,991,009,621.60
  6. Step 6: Final answer
    x = 299,394,443,791.80

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1.5x scale

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.