Home / 394,340,370.21-541,340,047.35-338,488,827.39

Finding the Fourth Proportional to 394,340,370.21, 541,340,047.35 and 338,488,827.39

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Solution

The fourth proportional to 394,340,370.21, 541,340,047.35 and 338,488,827.39 is: 464,668,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,340,370.21 : 541,340,047.35 = 338,488,827.39 : x
  2. Step 2: Convert to fraction form
    394,340,370.21/541,340,047.35 = 338,488,827.39/x
  3. Step 3: Cross multiply
    394,340,370.21x = 541,340,047.35 × 338,488,827.39
  4. Step 4: Simplify right side
    394,340,370.21x = 183,237,557,846,748,576
  5. Step 5: Solve for x
    x = 183,237,557,846,748,576/394,340,370.21
  6. Step 6: Final answer
    x = 464,668,524.17

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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.