Home / 412,244,609.40-618,366,914.10-347,674,527.90

Finding the Fourth Proportional to 412,244,609.40, 618,366,914.10 and 347,674,527.90

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Solution

The fourth proportional to 412,244,609.40, 618,366,914.10 and 347,674,527.90 is: 521,511,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,244,609.40 : 618,366,914.10 = 347,674,527.90 : x
  2. Step 2: Convert to fraction form
    412,244,609.40/618,366,914.10 = 347,674,527.90/x
  3. Step 3: Cross multiply
    412,244,609.40x = 618,366,914.10 × 347,674,527.90
  4. Step 4: Simplify right side
    412,244,609.40x = 214,990,424,928,697,344
  5. Step 5: Solve for x
    x = 214,990,424,928,697,344/412,244,609.40
  6. Step 6: Final answer
    x = 521,511,791.85

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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.