Home / 198,915,768,964.40-298,366,752,505.80-49,857,040,209.20

Finding the Fourth Proportional to 198,915,768,964.40, 298,366,752,505.80 and 49,857,040,209.20

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Solution

The fourth proportional to 198,915,768,964.40, 298,366,752,505.80 and 49,857,040,209.20 is: 74,783,830,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,915,768,964.40 : 298,366,752,505.80 = 49,857,040,209.20 : x
  2. Step 2: Convert to fraction form
    198,915,768,964.40/298,366,752,505.80 = 49,857,040,209.20/x
  3. Step 3: Cross multiply
    198,915,768,964.40x = 298,366,752,505.80 × 49,857,040,209.20
  4. Step 4: Simplify right side
    198,915,768,964.40x = 14,875,683,176,770,093,187,072
  5. Step 5: Solve for x
    x = 14,875,683,176,770,093,187,072/198,915,768,964.40
  6. Step 6: Final answer
    x = 74,783,830,634.53

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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.