Home / 18,729,802,149.74-28,083,483,629.91-5,961,361,028.64

Finding the Fourth Proportional to 18,729,802,149.74, 28,083,483,629.91 and 5,961,361,028.64

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Solution

The fourth proportional to 18,729,802,149.74, 28,083,483,629.91 and 5,961,361,028.64 is: 8,938,470,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729,802,149.74 : 28,083,483,629.91 = 5,961,361,028.64 : x
  2. Step 2: Convert to fraction form
    18,729,802,149.74/28,083,483,629.91 = 5,961,361,028.64/x
  3. Step 3: Cross multiply
    18,729,802,149.74x = 28,083,483,629.91 × 5,961,361,028.64
  4. Step 4: Simplify right side
    18,729,802,149.74x = 167,415,784,859,926,855,680
  5. Step 5: Solve for x
    x = 167,415,784,859,926,855,680/18,729,802,149.74
  6. Step 6: Final answer
    x = 8,938,470,546.64

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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.