Home / 664,031,720.60-996,047,580.90-203,969,151.80

Finding the Fourth Proportional to 664,031,720.60, 996,047,580.90 and 203,969,151.80

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Solution

The fourth proportional to 664,031,720.60, 996,047,580.90 and 203,969,151.80 is: 305,953,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,031,720.60 : 996,047,580.90 = 203,969,151.80 : x
  2. Step 2: Convert to fraction form
    664,031,720.60/996,047,580.90 = 203,969,151.80/x
  3. Step 3: Cross multiply
    664,031,720.60x = 996,047,580.90 × 203,969,151.80
  4. Step 4: Simplify right side
    664,031,720.60x = 203,162,980,228,614,880
  5. Step 5: Solve for x
    x = 203,162,980,228,614,880/664,031,720.60
  6. Step 6: Final answer
    x = 305,953,727.70

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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.