Home / 14,612,542,653.93-20,165,308,863.66-7,929,539,218.68

Finding the Fourth Proportional to 14,612,542,653.93, 20,165,308,863.66 and 7,929,539,218.68

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Solution

The fourth proportional to 14,612,542,653.93, 20,165,308,863.66 and 7,929,539,218.68 is: 10,942,764,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612,542,653.93 : 20,165,308,863.66 = 7,929,539,218.68 : x
  2. Step 2: Convert to fraction form
    14,612,542,653.93/20,165,308,863.66 = 7,929,539,218.68/x
  3. Step 3: Cross multiply
    14,612,542,653.93x = 20,165,308,863.66 × 7,929,539,218.68
  4. Step 4: Simplify right side
    14,612,542,653.93x = 159,901,607,491,187,408,896
  5. Step 5: Solve for x
    x = 159,901,607,491,187,408,896/14,612,542,653.93
  6. Step 6: Final answer
    x = 10,942,764,122.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.