Home / 436,919,696.43-655,385,224.07-145,786,819.21

Finding the Fourth Proportional to 436,919,696.43, 655,385,224.07 and 145,786,819.21

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Solution

The fourth proportional to 436,919,696.43, 655,385,224.07 and 145,786,819.21 is: 218,682,123.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,919,696.43 : 655,385,224.07 = 145,786,819.21 : x
  2. Step 2: Convert to fraction form
    436,919,696.43/655,385,224.07 = 145,786,819.21/x
  3. Step 3: Cross multiply
    436,919,696.43x = 655,385,224.07 × 145,786,819.21
  4. Step 4: Simplify right side
    436,919,696.43x = 95,546,527,173,124,448
  5. Step 5: Solve for x
    x = 95,546,527,173,124,448/436,919,696.43
  6. Step 6: Final answer
    x = 218,682,123.87

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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.