Home / 445,055,871.70-667,583,807.55-379,298,905.30

Finding the Fourth Proportional to 445,055,871.70, 667,583,807.55 and 379,298,905.30

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Solution

The fourth proportional to 445,055,871.70, 667,583,807.55 and 379,298,905.30 is: 568,948,357.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,055,871.70 : 667,583,807.55 = 379,298,905.30 : x
  2. Step 2: Convert to fraction form
    445,055,871.70/667,583,807.55 = 379,298,905.30/x
  3. Step 3: Cross multiply
    445,055,871.70x = 667,583,807.55 × 379,298,905.30
  4. Step 4: Simplify right side
    445,055,871.70x = 253,213,807,399,720,864
  5. Step 5: Solve for x
    x = 253,213,807,399,720,864/445,055,871.70
  6. Step 6: Final answer
    x = 568,948,357.95

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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.