Home / 448,633,379.73-673,187,164.42-318,317,839.73

Finding the Fourth Proportional to 448,633,379.73, 673,187,164.42 and 318,317,839.73

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Solution

The fourth proportional to 448,633,379.73, 673,187,164.42 and 318,317,839.73 is: 477,644,984.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,633,379.73 : 673,187,164.42 = 318,317,839.73 : x
  2. Step 2: Convert to fraction form
    448,633,379.73/673,187,164.42 = 318,317,839.73/x
  3. Step 3: Cross multiply
    448,633,379.73x = 673,187,164.42 × 318,317,839.73
  4. Step 4: Simplify right side
    448,633,379.73x = 214,287,483,912,138,720
  5. Step 5: Solve for x
    x = 214,287,483,912,138,720/448,633,379.73
  6. Step 6: Final answer
    x = 477,644,984.96

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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.