Home / 394,556,609.86-544,489,180.55-218,356,755.82

Finding the Fourth Proportional to 394,556,609.86, 544,489,180.55 and 218,356,755.82

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Solution

The fourth proportional to 394,556,609.86, 544,489,180.55 and 218,356,755.82 is: 301,332,909.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,556,609.86 : 544,489,180.55 = 218,356,755.82 : x
  2. Step 2: Convert to fraction form
    394,556,609.86/544,489,180.55 = 218,356,755.82/x
  3. Step 3: Cross multiply
    394,556,609.86x = 544,489,180.55 × 218,356,755.82
  4. Step 4: Simplify right side
    394,556,609.86x = 118,892,891,042,354,080
  5. Step 5: Solve for x
    x = 118,892,891,042,354,080/394,556,609.86
  6. Step 6: Final answer
    x = 301,332,909.07

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Why These Related Problems?

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