Home / 820,552,469.70-1,229,783,610.15-335,330,069.70

Finding the Fourth Proportional to 820,552,469.70, 1,229,783,610.15 and 335,330,069.70

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Solution

The fourth proportional to 820,552,469.70, 1,229,783,610.15 and 335,330,069.70 is: 502,568,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,552,469.70 : 1,229,783,610.15 = 335,330,069.70 : x
  2. Step 2: Convert to fraction form
    820,552,469.70/1,229,783,610.15 = 335,330,069.70/x
  3. Step 3: Cross multiply
    820,552,469.70x = 1,229,783,610.15 × 335,330,069.70
  4. Step 4: Simplify right side
    820,552,469.70x = 412,383,423,707,517,120
  5. Step 5: Solve for x
    x = 412,383,423,707,517,120/820,552,469.70
  6. Step 6: Final answer
    x = 502,568,012.33

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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.