Home / 394,082,215.10-590,115,553.05-291,289,715.90

Finding the Fourth Proportional to 394,082,215.10, 590,115,553.05 and 291,289,715.90

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Solution

The fourth proportional to 394,082,215.10, 590,115,553.05 and 291,289,715.90 is: 436,189,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,082,215.10 : 590,115,553.05 = 291,289,715.90 : x
  2. Step 2: Convert to fraction form
    394,082,215.10/590,115,553.05 = 291,289,715.90/x
  3. Step 3: Cross multiply
    394,082,215.10x = 590,115,553.05 × 291,289,715.90
  4. Step 4: Simplify right side
    394,082,215.10x = 171,894,591,796,105,856
  5. Step 5: Solve for x
    x = 171,894,591,796,105,856/394,082,215.10
  6. Step 6: Final answer
    x = 436,189,671.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.