Home / 396,833,019.89-547,569,488.04-227,260,891.22

Finding the Fourth Proportional to 396,833,019.89, 547,569,488.04 and 227,260,891.22

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Solution

The fourth proportional to 396,833,019.89, 547,569,488.04 and 227,260,891.22 is: 313,585,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,833,019.89 : 547,569,488.04 = 227,260,891.22 : x
  2. Step 2: Convert to fraction form
    396,833,019.89/547,569,488.04 = 227,260,891.22/x
  3. Step 3: Cross multiply
    396,833,019.89x = 547,569,488.04 × 227,260,891.22
  4. Step 4: Simplify right side
    396,833,019.89x = 124,441,129,853,257,184
  5. Step 5: Solve for x
    x = 124,441,129,853,257,184/396,833,019.89
  6. Step 6: Final answer
    x = 313,585,623.22

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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.