Home / 5,318,785,217.60-7,978,177,826.40-2,416,408,769.60

Finding the Fourth Proportional to 5,318,785,217.60, 7,978,177,826.40 and 2,416,408,769.60

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Solution

The fourth proportional to 5,318,785,217.60, 7,978,177,826.40 and 2,416,408,769.60 is: 3,624,613,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,785,217.60 : 7,978,177,826.40 = 2,416,408,769.60 : x
  2. Step 2: Convert to fraction form
    5,318,785,217.60/7,978,177,826.40 = 2,416,408,769.60/x
  3. Step 3: Cross multiply
    5,318,785,217.60x = 7,978,177,826.40 × 2,416,408,769.60
  4. Step 4: Simplify right side
    5,318,785,217.60x = 19,278,538,865,141,223,424
  5. Step 5: Solve for x
    x = 19,278,538,865,141,223,424/5,318,785,217.60
  6. Step 6: Final answer
    x = 3,624,613,154.40

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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.