Home / 612,286,267.12-844,930,711.15-361,471,450.91

Finding the Fourth Proportional to 612,286,267.12, 844,930,711.15 and 361,471,450.91

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Solution

The fourth proportional to 612,286,267.12, 844,930,711.15 and 361,471,450.91 is: 498,816,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,286,267.12 : 844,930,711.15 = 361,471,450.91 : x
  2. Step 2: Convert to fraction form
    612,286,267.12/844,930,711.15 = 361,471,450.91/x
  3. Step 3: Cross multiply
    612,286,267.12x = 844,930,711.15 × 361,471,450.91
  4. Step 4: Simplify right side
    612,286,267.12x = 305,418,330,072,687,488
  5. Step 5: Solve for x
    x = 305,418,330,072,687,488/612,286,267.12
  6. Step 6: Final answer
    x = 498,816,234.29

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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.