Home / 823,601,841.57-1,235,401,719.03-210,186,081.09

Finding the Fourth Proportional to 823,601,841.57, 1,235,401,719.03 and 210,186,081.09

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Solution

The fourth proportional to 823,601,841.57, 1,235,401,719.03 and 210,186,081.09 is: 315,278,855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,601,841.57 : 1,235,401,719.03 = 210,186,081.09 : x
  2. Step 2: Convert to fraction form
    823,601,841.57/1,235,401,719.03 = 210,186,081.09/x
  3. Step 3: Cross multiply
    823,601,841.57x = 1,235,401,719.03 × 210,186,081.09
  4. Step 4: Simplify right side
    823,601,841.57x = 259,664,245,894,764,960
  5. Step 5: Solve for x
    x = 259,664,245,894,764,960/823,601,841.57
  6. Step 6: Final answer
    x = 315,278,855.37

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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.