Home / 431,569,589.30-647,354,383.95-431,569,589.30

Finding the Fourth Proportional to 431,569,589.30, 647,354,383.95 and 431,569,589.30

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Solution

The fourth proportional to 431,569,589.30, 647,354,383.95 and 431,569,589.30 is: 647,354,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,569,589.30 : 647,354,383.95 = 431,569,589.30 : x
  2. Step 2: Convert to fraction form
    431,569,589.30/647,354,383.95 = 431,569,589.30/x
  3. Step 3: Cross multiply
    431,569,589.30x = 647,354,383.95 × 431,569,589.30
  4. Step 4: Simplify right side
    431,569,589.30x = 279,378,465,612,856,032
  5. Step 5: Solve for x
    x = 279,378,465,612,856,032/431,569,589.30
  6. Step 6: Final answer
    x = 647,354,383.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.