Home / 603,613,902.30-905,420,853.45-494,562,209.10

Finding the Fourth Proportional to 603,613,902.30, 905,420,853.45 and 494,562,209.10

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Solution

The fourth proportional to 603,613,902.30, 905,420,853.45 and 494,562,209.10 is: 741,843,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,613,902.30 : 905,420,853.45 = 494,562,209.10 : x
  2. Step 2: Convert to fraction form
    603,613,902.30/905,420,853.45 = 494,562,209.10/x
  3. Step 3: Cross multiply
    603,613,902.30x = 905,420,853.45 × 494,562,209.10
  4. Step 4: Simplify right side
    603,613,902.30x = 447,786,937,447,439,424
  5. Step 5: Solve for x
    x = 447,786,937,447,439,424/603,613,902.30
  6. Step 6: Final answer
    x = 741,843,313.65

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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.