Home / 445,055,869.20-667,583,803.80-379,298,902.80

Finding the Fourth Proportional to 445,055,869.20, 667,583,803.80 and 379,298,902.80

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Solution

The fourth proportional to 445,055,869.20, 667,583,803.80 and 379,298,902.80 is: 568,948,354.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055,869.20 : 667,583,803.80 = 379,298,902.80 : x
  2. Step 2: Convert to fraction form
    445,055,869.20/667,583,803.80 = 379,298,902.80/x
  3. Step 3: Cross multiply
    445,055,869.20x = 667,583,803.80 × 379,298,902.80
  4. Step 4: Simplify right side
    445,055,869.20x = 253,213,804,308,390,464
  5. Step 5: Solve for x
    x = 253,213,804,308,390,464/445,055,869.20
  6. Step 6: Final answer
    x = 568,948,354.20

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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.