Home / 436,919,693.03-655,385,218.99-145,786,815.83

Finding the Fourth Proportional to 436,919,693.03, 655,385,218.99 and 145,786,815.83

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Solution

The fourth proportional to 436,919,693.03, 655,385,218.99 and 145,786,815.83 is: 218,682,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,919,693.03 : 655,385,218.99 = 145,786,815.83 : x
  2. Step 2: Convert to fraction form
    436,919,693.03/655,385,218.99 = 145,786,815.83/x
  3. Step 3: Cross multiply
    436,919,693.03x = 655,385,218.99 × 145,786,815.83
  4. Step 4: Simplify right side
    436,919,693.03x = 95,546,524,220,692,672
  5. Step 5: Solve for x
    x = 95,546,524,220,692,672/436,919,693.03
  6. Step 6: Final answer
    x = 218,682,118.81

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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.