Home / 8,571,147,365.78-12,858,376,739.66-3,258,846,479.28

Finding the Fourth Proportional to 8,571,147,365.78, 12,858,376,739.66 and 3,258,846,479.28

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Solution

The fourth proportional to 8,571,147,365.78, 12,858,376,739.66 and 3,258,846,479.28 is: 4,888,899,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571,147,365.78 : 12,858,376,739.66 = 3,258,846,479.28 : x
  2. Step 2: Convert to fraction form
    8,571,147,365.78/12,858,376,739.66 = 3,258,846,479.28/x
  3. Step 3: Cross multiply
    8,571,147,365.78x = 12,858,376,739.66 × 3,258,846,479.28
  4. Step 4: Simplify right side
    8,571,147,365.78x = 41,903,475,767,296,835,584
  5. Step 5: Solve for x
    x = 41,903,475,767,296,835,584/8,571,147,365.78
  6. Step 6: Final answer
    x = 4,888,899,231.23

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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.