Home / 436,764,013.80-655,146,020.70-339,191,446.20

Finding the Fourth Proportional to 436,764,013.80, 655,146,020.70 and 339,191,446.20

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Solution

The fourth proportional to 436,764,013.80, 655,146,020.70 and 339,191,446.20 is: 508,787,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,764,013.80 : 655,146,020.70 = 339,191,446.20 : x
  2. Step 2: Convert to fraction form
    436,764,013.80/655,146,020.70 = 339,191,446.20/x
  3. Step 3: Cross multiply
    436,764,013.80x = 655,146,020.70 × 339,191,446.20
  4. Step 4: Simplify right side
    436,764,013.80x = 222,219,926,233,408,160
  5. Step 5: Solve for x
    x = 222,219,926,233,408,160/436,764,013.80
  6. Step 6: Final answer
    x = 508,787,169.30

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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.