Home / 394,082,206.60-590,115,540.30-291,289,707.40

Finding the Fourth Proportional to 394,082,206.60, 590,115,540.30 and 291,289,707.40

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Solution

The fourth proportional to 394,082,206.60, 590,115,540.30 and 291,289,707.40 is: 436,189,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,082,206.60 : 590,115,540.30 = 291,289,707.40 : x
  2. Step 2: Convert to fraction form
    394,082,206.60/590,115,540.30 = 291,289,707.40/x
  3. Step 3: Cross multiply
    394,082,206.60x = 590,115,540.30 × 291,289,707.40
  4. Step 4: Simplify right side
    394,082,206.60x = 171,894,583,066,179,872
  5. Step 5: Solve for x
    x = 171,894,583,066,179,872/394,082,206.60
  6. Step 6: Final answer
    x = 436,189,658.37

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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.