Home / 436,919,694.54-655,385,221.25-145,786,817.34

Finding the Fourth Proportional to 436,919,694.54, 655,385,221.25 and 145,786,817.34

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Solution

The fourth proportional to 436,919,694.54, 655,385,221.25 and 145,786,817.34 is: 218,682,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,919,694.54 : 655,385,221.25 = 145,786,817.34 : x
  2. Step 2: Convert to fraction form
    436,919,694.54/655,385,221.25 = 145,786,817.34/x
  3. Step 3: Cross multiply
    436,919,694.54x = 655,385,221.25 × 145,786,817.34
  4. Step 4: Simplify right side
    436,919,694.54x = 95,546,525,536,980,304
  5. Step 5: Solve for x
    x = 95,546,525,536,980,304/436,919,694.54
  6. Step 6: Final answer
    x = 218,682,121.06

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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.