Home / 603,757,960.20-905,158,643.40-331,128,727.20

Finding the Fourth Proportional to 603,757,960.20, 905,158,643.40 and 331,128,727.20

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Solution

The fourth proportional to 603,757,960.20, 905,158,643.40 and 331,128,727.20 is: 496,430,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,757,960.20 : 905,158,643.40 = 331,128,727.20 : x
  2. Step 2: Convert to fraction form
    603,757,960.20/905,158,643.40 = 331,128,727.20/x
  3. Step 3: Cross multiply
    603,757,960.20x = 905,158,643.40 × 331,128,727.20
  4. Step 4: Simplify right side
    603,757,960.20x = 299,724,029,503,120,640
  5. Step 5: Solve for x
    x = 299,724,029,503,120,640/603,757,960.20
  6. Step 6: Final answer
    x = 496,430,770.71

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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.