Home / 7,691,587,947.60-11,537,381,921.40-7,175,609,912.40

Finding the Fourth Proportional to 7,691,587,947.60, 11,537,381,921.40 and 7,175,609,912.40

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Solution

The fourth proportional to 7,691,587,947.60, 11,537,381,921.40 and 7,175,609,912.40 is: 10,763,414,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,587,947.60 : 11,537,381,921.40 = 7,175,609,912.40 : x
  2. Step 2: Convert to fraction form
    7,691,587,947.60/11,537,381,921.40 = 7,175,609,912.40/x
  3. Step 3: Cross multiply
    7,691,587,947.60x = 11,537,381,921.40 × 7,175,609,912.40
  4. Step 4: Simplify right side
    7,691,587,947.60x = 82,787,752,078,342,389,760
  5. Step 5: Solve for x
    x = 82,787,752,078,342,389,760/7,691,587,947.60
  6. Step 6: Final answer
    x = 10,763,414,868.60

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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.