Home / 21,197,845,819.85-29,253,027,395.80-11,682,397,676.53

Finding the Fourth Proportional to 21,197,845,819.85, 29,253,027,395.80 and 11,682,397,676.53

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Solution

The fourth proportional to 21,197,845,819.85, 29,253,027,395.80 and 11,682,397,676.53 is: 16,121,708,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,845,819.85 : 29,253,027,395.80 = 11,682,397,676.53 : x
  2. Step 2: Convert to fraction form
    21,197,845,819.85/29,253,027,395.80 = 11,682,397,676.53/x
  3. Step 3: Cross multiply
    21,197,845,819.85x = 29,253,027,395.80 × 11,682,397,676.53
  4. Step 4: Simplify right side
    21,197,845,819.85x = 341,745,499,280,068,640,768
  5. Step 5: Solve for x
    x = 341,745,499,280,068,640,768/21,197,845,819.85
  6. Step 6: Final answer
    x = 16,121,708,884.21

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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.