Home / 8,571,147,365.28-12,858,376,738.91-3,258,846,478.78

Finding the Fourth Proportional to 8,571,147,365.28, 12,858,376,738.91 and 3,258,846,478.78

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Solution

The fourth proportional to 8,571,147,365.28, 12,858,376,738.91 and 3,258,846,478.78 is: 4,888,899,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,147,365.28 : 12,858,376,738.91 = 3,258,846,478.78 : x
  2. Step 2: Convert to fraction form
    8,571,147,365.28/12,858,376,738.91 = 3,258,846,478.78/x
  3. Step 3: Cross multiply
    8,571,147,365.28x = 12,858,376,738.91 × 3,258,846,478.78
  4. Step 4: Simplify right side
    8,571,147,365.28x = 41,903,475,758,423,515,136
  5. Step 5: Solve for x
    x = 41,903,475,758,423,515,136/8,571,147,365.28
  6. Step 6: Final answer
    x = 4,888,899,230.48

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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.