Home / 320,994,053.46-443,107,408.77-216,713,383.38

Finding the Fourth Proportional to 320,994,053.46, 443,107,408.77 and 216,713,383.38

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Solution

The fourth proportional to 320,994,053.46, 443,107,408.77 and 216,713,383.38 is: 299,156,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,994,053.46 : 443,107,408.77 = 216,713,383.38 : x
  2. Step 2: Convert to fraction form
    320,994,053.46/443,107,408.77 = 216,713,383.38/x
  3. Step 3: Cross multiply
    320,994,053.46x = 443,107,408.77 × 216,713,383.38
  4. Step 4: Simplify right side
    320,994,053.46x = 96,027,305,755,291,376
  5. Step 5: Solve for x
    x = 96,027,305,755,291,376/320,994,053.46
  6. Step 6: Final answer
    x = 299,156,027.10

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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.