Home / 7,245,910,747.80-10,868,866,121.70-3,105,772,781.40

Finding the Fourth Proportional to 7,245,910,747.80, 10,868,866,121.70 and 3,105,772,781.40

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Solution

The fourth proportional to 7,245,910,747.80, 10,868,866,121.70 and 3,105,772,781.40 is: 4,658,659,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,910,747.80 : 10,868,866,121.70 = 3,105,772,781.40 : x
  2. Step 2: Convert to fraction form
    7,245,910,747.80/10,868,866,121.70 = 3,105,772,781.40/x
  3. Step 3: Cross multiply
    7,245,910,747.80x = 10,868,866,121.70 × 3,105,772,781.40
  4. Step 4: Simplify right side
    7,245,910,747.80x = 33,756,228,565,456,441,344
  5. Step 5: Solve for x
    x = 33,756,228,565,456,441,344/7,245,910,747.80
  6. Step 6: Final answer
    x = 4,658,659,172.10

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Double scale
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Similar ratio
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1.5x scale

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.