Home / 436,919,696.93-655,385,224.83-145,786,819.71

Finding the Fourth Proportional to 436,919,696.93, 655,385,224.83 and 145,786,819.71

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Solution

The fourth proportional to 436,919,696.93, 655,385,224.83 and 145,786,819.71 is: 218,682,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,919,696.93 : 655,385,224.83 = 145,786,819.71 : x
  2. Step 2: Convert to fraction form
    436,919,696.93/655,385,224.83 = 145,786,819.71/x
  3. Step 3: Cross multiply
    436,919,696.93x = 655,385,224.83 × 145,786,819.71
  4. Step 4: Simplify right side
    436,919,696.93x = 95,546,527,612,160,096
  5. Step 5: Solve for x
    x = 95,546,527,612,160,096/436,919,696.93
  6. Step 6: Final answer
    x = 218,682,124.62

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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.