Home / 415,310,315,431.20-622,958,665,453.20-132,325,314,571.68

Finding the Fourth Proportional to 415,310,315,431.20, 622,958,665,453.20 and 132,325,314,571.68

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Solution

The fourth proportional to 415,310,315,431.20, 622,958,665,453.20 and 132,325,314,571.68 is: 198,485,802,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,310,315,431.20 : 622,958,665,453.20 = 132,325,314,571.68 : x
  2. Step 2: Convert to fraction form
    415,310,315,431.20/622,958,665,453.20 = 132,325,314,571.68/x
  3. Step 3: Cross multiply
    415,310,315,431.20x = 622,958,665,453.20 × 132,325,314,571.68
  4. Step 4: Simplify right side
    415,310,315,431.20x = 82,433,201,371,248,647,471,104
  5. Step 5: Solve for x
    x = 82,433,201,371,248,647,471,104/415,310,315,431.20
  6. Step 6: Final answer
    x = 198,485,802,804.25

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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.