Home / 5,120,512,964.20-7,680,769,446.30-5,038,883,626.60

Finding the Fourth Proportional to 5,120,512,964.20, 7,680,769,446.30 and 5,038,883,626.60

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Solution

The fourth proportional to 5,120,512,964.20, 7,680,769,446.30 and 5,038,883,626.60 is: 7,558,325,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,512,964.20 : 7,680,769,446.30 = 5,038,883,626.60 : x
  2. Step 2: Convert to fraction form
    5,120,512,964.20/7,680,769,446.30 = 5,038,883,626.60/x
  3. Step 3: Cross multiply
    5,120,512,964.20x = 7,680,769,446.30 × 5,038,883,626.60
  4. Step 4: Simplify right side
    5,120,512,964.20x = 38,702,503,402,650,624,000
  5. Step 5: Solve for x
    x = 38,702,503,402,650,624,000/5,120,512,964.20
  6. Step 6: Final answer
    x = 7,558,325,439.90

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Double scale
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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.