Home / 1,231,673,125.60-1,847,785,425.68-413,763,119.20

Finding the Fourth Proportional to 1,231,673,125.60, 1,847,785,425.68 and 413,763,119.20

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Solution

The fourth proportional to 1,231,673,125.60, 1,847,785,425.68 and 413,763,119.20 is: 620,737,308.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,673,125.60 : 1,847,785,425.68 = 413,763,119.20 : x
  2. Step 2: Convert to fraction form
    1,231,673,125.60/1,847,785,425.68 = 413,763,119.20/x
  3. Step 3: Cross multiply
    1,231,673,125.60x = 1,847,785,425.68 × 413,763,119.20
  4. Step 4: Simplify right side
    1,231,673,125.60x = 764,545,461,341,656,576
  5. Step 5: Solve for x
    x = 764,545,461,341,656,576/1,231,673,125.60
  6. Step 6: Final answer
    x = 620,737,308.83

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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.