Home / 21,197,845,822.10-29,253,027,398.92-11,682,397,678.77

Finding the Fourth Proportional to 21,197,845,822.10, 29,253,027,398.92 and 11,682,397,678.77

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Solution

The fourth proportional to 21,197,845,822.10, 29,253,027,398.92 and 11,682,397,678.77 is: 16,121,708,887.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,197,845,822.10 : 29,253,027,398.92 = 11,682,397,678.77 : x
  2. Step 2: Convert to fraction form
    21,197,845,822.10/29,253,027,398.92 = 11,682,397,678.77/x
  3. Step 3: Cross multiply
    21,197,845,822.10x = 29,253,027,398.92 × 11,682,397,678.77
  4. Step 4: Simplify right side
    21,197,845,822.10x = 341,745,499,382,103,212,032
  5. Step 5: Solve for x
    x = 341,745,499,382,103,212,032/21,197,845,822.10
  6. Step 6: Final answer
    x = 16,121,708,887.32

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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.