Home / 394,556,645.79-544,489,230.33-218,356,791.75

Finding the Fourth Proportional to 394,556,645.79, 544,489,230.33 and 218,356,791.75

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Solution

The fourth proportional to 394,556,645.79, 544,489,230.33 and 218,356,791.75 is: 301,332,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,556,645.79 : 544,489,230.33 = 218,356,791.75 : x
  2. Step 2: Convert to fraction form
    394,556,645.79/544,489,230.33 = 218,356,791.75/x
  3. Step 3: Cross multiply
    394,556,645.79x = 544,489,230.33 × 218,356,791.75
  4. Step 4: Simplify right side
    394,556,645.79x = 118,892,921,477,285,600
  5. Step 5: Solve for x
    x = 118,892,921,477,285,600/394,556,645.79
  6. Step 6: Final answer
    x = 301,332,958.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.