Home / 545,935,187.20-818,902,780.80-449,000,348.80

Finding the Fourth Proportional to 545,935,187.20, 818,902,780.80 and 449,000,348.80

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Solution

The fourth proportional to 545,935,187.20, 818,902,780.80 and 449,000,348.80 is: 673,500,523.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,935,187.20 : 818,902,780.80 = 449,000,348.80 : x
  2. Step 2: Convert to fraction form
    545,935,187.20/818,902,780.80 = 449,000,348.80/x
  3. Step 3: Cross multiply
    545,935,187.20x = 818,902,780.80 × 449,000,348.80
  4. Step 4: Simplify right side
    545,935,187.20x = 367,687,634,212,489,920
  5. Step 5: Solve for x
    x = 367,687,634,212,489,920/545,935,187.20
  6. Step 6: Final answer
    x = 673,500,523.20

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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.