Home / 394,340,373.21-541,340,051.46-338,488,830.39

Finding the Fourth Proportional to 394,340,373.21, 541,340,051.46 and 338,488,830.39

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Solution

The fourth proportional to 394,340,373.21, 541,340,051.46 and 338,488,830.39 is: 464,668,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,340,373.21 : 541,340,051.46 = 338,488,830.39 : x
  2. Step 2: Convert to fraction form
    394,340,373.21/541,340,051.46 = 338,488,830.39/x
  3. Step 3: Cross multiply
    394,340,373.21x = 541,340,051.46 × 338,488,830.39
  4. Step 4: Simplify right side
    394,340,373.21x = 183,237,560,861,957,824
  5. Step 5: Solve for x
    x = 183,237,560,861,957,824/394,340,373.21
  6. Step 6: Final answer
    x = 464,668,528.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.