Home / 396,566,141.85-547,273,594.35-217,946,789.10

Finding the Fourth Proportional to 396,566,141.85, 547,273,594.35 and 217,946,789.10

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Solution

The fourth proportional to 396,566,141.85, 547,273,594.35 and 217,946,789.10 is: 300,773,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,566,141.85 : 547,273,594.35 = 217,946,789.10 : x
  2. Step 2: Convert to fraction form
    396,566,141.85/547,273,594.35 = 217,946,789.10/x
  3. Step 3: Cross multiply
    396,566,141.85x = 547,273,594.35 × 217,946,789.10
  4. Step 4: Simplify right side
    396,566,141.85x = 119,276,522,647,798,400
  5. Step 5: Solve for x
    x = 119,276,522,647,798,400/396,566,141.85
  6. Step 6: Final answer
    x = 300,773,339.07

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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.