Home / 823,601,842.57-1,235,401,720.53-210,186,082.09

Finding the Fourth Proportional to 823,601,842.57, 1,235,401,720.53 and 210,186,082.09

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Solution

The fourth proportional to 823,601,842.57, 1,235,401,720.53 and 210,186,082.09 is: 315,278,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,842.57 : 1,235,401,720.53 = 210,186,082.09 : x
  2. Step 2: Convert to fraction form
    823,601,842.57/1,235,401,720.53 = 210,186,082.09/x
  3. Step 3: Cross multiply
    823,601,842.57x = 1,235,401,720.53 × 210,186,082.09
  4. Step 4: Simplify right side
    823,601,842.57x = 259,664,247,445,445,824
  5. Step 5: Solve for x
    x = 259,664,247,445,445,824/823,601,842.57
  6. Step 6: Final answer
    x = 315,278,856.87

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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.