Home / 358,665,408.83-494,942,971.50-199,887,082.98

Finding the Fourth Proportional to 358,665,408.83, 494,942,971.50 and 199,887,082.98

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Solution

The fourth proportional to 358,665,408.83, 494,942,971.50 and 199,887,082.98 is: 275,835,651.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,665,408.83 : 494,942,971.50 = 199,887,082.98 : x
  2. Step 2: Convert to fraction form
    358,665,408.83/494,942,971.50 = 199,887,082.98/x
  3. Step 3: Cross multiply
    358,665,408.83x = 494,942,971.50 × 199,887,082.98
  4. Step 4: Simplify right side
    358,665,408.83x = 98,932,706,814,588,272
  5. Step 5: Solve for x
    x = 98,932,706,814,588,272/358,665,408.83
  6. Step 6: Final answer
    x = 275,835,651.78

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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.