Home / 436,919,687.98-655,385,211.41-145,786,810.75

Finding the Fourth Proportional to 436,919,687.98, 655,385,211.41 and 145,786,810.75

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Solution

The fourth proportional to 436,919,687.98, 655,385,211.41 and 145,786,810.75 is: 218,682,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,919,687.98 : 655,385,211.41 = 145,786,810.75 : x
  2. Step 2: Convert to fraction form
    436,919,687.98/655,385,211.41 = 145,786,810.75/x
  3. Step 3: Cross multiply
    436,919,687.98x = 655,385,211.41 × 145,786,810.75
  4. Step 4: Simplify right side
    436,919,687.98x = 95,546,519,785,376,544
  5. Step 5: Solve for x
    x = 95,546,519,785,376,544/436,919,687.98
  6. Step 6: Final answer
    x = 218,682,111.18

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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.