Home / 395,211,221.62-545,639,389.48-254,327,217.52

Finding the Fourth Proportional to 395,211,221.62, 545,639,389.48 and 254,327,217.52

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Solution

The fourth proportional to 395,211,221.62, 545,639,389.48 and 254,327,217.52 is: 351,131,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,211,221.62 : 545,639,389.48 = 254,327,217.52 : x
  2. Step 2: Convert to fraction form
    395,211,221.62/545,639,389.48 = 254,327,217.52/x
  3. Step 3: Cross multiply
    395,211,221.62x = 545,639,389.48 × 254,327,217.52
  4. Step 4: Simplify right side
    395,211,221.62x = 138,770,947,695,759,968
  5. Step 5: Solve for x
    x = 138,770,947,695,759,968/395,211,221.62
  6. Step 6: Final answer
    x = 351,131,091.69

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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.