Home / 436,747,521.92-655,446,652.25-320,463,364.35

Finding the Fourth Proportional to 436,747,521.92, 655,446,652.25 and 320,463,364.35

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Solution

The fourth proportional to 436,747,521.92, 655,446,652.25 and 320,463,364.35 is: 480,933,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,747,521.92 : 655,446,652.25 = 320,463,364.35 : x
  2. Step 2: Convert to fraction form
    436,747,521.92/655,446,652.25 = 320,463,364.35/x
  3. Step 3: Cross multiply
    436,747,521.92x = 655,446,652.25 × 320,463,364.35
  4. Step 4: Simplify right side
    436,747,521.92x = 210,046,639,330,377,184
  5. Step 5: Solve for x
    x = 210,046,639,330,377,184/436,747,521.92
  6. Step 6: Final answer
    x = 480,933,786.21

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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.