Home / 26,431,488,052.20-39,647,232,078.30-18,519,824,845.80

Finding the Fourth Proportional to 26,431,488,052.20, 39,647,232,078.30 and 18,519,824,845.80

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Solution

The fourth proportional to 26,431,488,052.20, 39,647,232,078.30 and 18,519,824,845.80 is: 27,779,737,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431,488,052.20 : 39,647,232,078.30 = 18,519,824,845.80 : x
  2. Step 2: Convert to fraction form
    26,431,488,052.20/39,647,232,078.30 = 18,519,824,845.80/x
  3. Step 3: Cross multiply
    26,431,488,052.20x = 39,647,232,078.30 × 18,519,824,845.80
  4. Step 4: Simplify right side
    26,431,488,052.20x = 734,259,793,710,899,134,464
  5. Step 5: Solve for x
    x = 734,259,793,710,899,134,464/26,431,488,052.20
  6. Step 6: Final answer
    x = 27,779,737,268.70

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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.