Home / 444,881,109.20-667,520,729.40-202,419,208.40

Finding the Fourth Proportional to 444,881,109.20, 667,520,729.40 and 202,419,208.40

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Solution

The fourth proportional to 444,881,109.20, 667,520,729.40 and 202,419,208.40 is: 303,719,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,881,109.20 : 667,520,729.40 = 202,419,208.40 : x
  2. Step 2: Convert to fraction form
    444,881,109.20/667,520,729.40 = 202,419,208.40/x
  3. Step 3: Cross multiply
    444,881,109.20x = 667,520,729.40 × 202,419,208.40
  4. Step 4: Simplify right side
    444,881,109.20x = 135,119,017,635,738,608
  5. Step 5: Solve for x
    x = 135,119,017,635,738,608/444,881,109.20
  6. Step 6: Final answer
    x = 303,719,386.69

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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.