Home / 21,631,856,877.82-29,782,582,655.97-16,868,019,753.82

Finding the Fourth Proportional to 21,631,856,877.82, 29,782,582,655.97 and 16,868,019,753.82

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Solution

The fourth proportional to 21,631,856,877.82, 29,782,582,655.97 and 16,868,019,753.82 is: 23,223,766,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,631,856,877.82 : 29,782,582,655.97 = 16,868,019,753.82 : x
  2. Step 2: Convert to fraction form
    21,631,856,877.82/29,782,582,655.97 = 16,868,019,753.82/x
  3. Step 3: Cross multiply
    21,631,856,877.82x = 29,782,582,655.97 × 16,868,019,753.82
  4. Step 4: Simplify right side
    21,631,856,877.82x = 502,373,192,560,678,862,848
  5. Step 5: Solve for x
    x = 502,373,192,560,678,862,848/21,631,856,877.82
  6. Step 6: Final answer
    x = 23,223,766,475.44

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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.