Home / 395,211,227.62-545,639,397.76-254,327,223.52

Finding the Fourth Proportional to 395,211,227.62, 545,639,397.76 and 254,327,223.52

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Solution

The fourth proportional to 395,211,227.62, 545,639,397.76 and 254,327,223.52 is: 351,131,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,211,227.62 : 545,639,397.76 = 254,327,223.52 : x
  2. Step 2: Convert to fraction form
    395,211,227.62/545,639,397.76 = 254,327,223.52/x
  3. Step 3: Cross multiply
    395,211,227.62x = 545,639,397.76 × 254,327,223.52
  4. Step 4: Simplify right side
    395,211,227.62x = 138,770,953,075,425,712
  5. Step 5: Solve for x
    x = 138,770,953,075,425,712/395,211,227.62
  6. Step 6: Final answer
    x = 351,131,099.97

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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.