Home / 396,566,126.12-547,273,572.64-217,946,773.33

Finding the Fourth Proportional to 396,566,126.12, 547,273,572.64 and 217,946,773.33

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Solution

The fourth proportional to 396,566,126.12, 547,273,572.64 and 217,946,773.33 is: 300,773,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,566,126.12 : 547,273,572.64 = 217,946,773.33 : x
  2. Step 2: Convert to fraction form
    396,566,126.12/547,273,572.64 = 217,946,773.33/x
  3. Step 3: Cross multiply
    396,566,126.12x = 547,273,572.64 × 217,946,773.33
  4. Step 4: Simplify right side
    396,566,126.12x = 119,276,509,283,756,320
  5. Step 5: Solve for x
    x = 119,276,509,283,756,320/396,566,126.12
  6. Step 6: Final answer
    x = 300,773,317.30

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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.