Home / 603,614,140.80-905,421,211.20-419,948,131.20

Finding the Fourth Proportional to 603,614,140.80, 905,421,211.20 and 419,948,131.20

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Solution

The fourth proportional to 603,614,140.80, 905,421,211.20 and 419,948,131.20 is: 629,922,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,140.80 : 905,421,211.20 = 419,948,131.20 : x
  2. Step 2: Convert to fraction form
    603,614,140.80/905,421,211.20 = 419,948,131.20/x
  3. Step 3: Cross multiply
    603,614,140.80x = 905,421,211.20 × 419,948,131.20
  4. Step 4: Simplify right side
    603,614,140.80x = 380,229,945,592,280,512
  5. Step 5: Solve for x
    x = 380,229,945,592,280,512/603,614,140.80
  6. Step 6: Final answer
    x = 629,922,196.80

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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.