Home / 444,917,401.20-667,376,101.80-138,303,500.40

Finding the Fourth Proportional to 444,917,401.20, 667,376,101.80 and 138,303,500.40

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Solution

The fourth proportional to 444,917,401.20, 667,376,101.80 and 138,303,500.40 is: 207,455,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,917,401.20 : 667,376,101.80 = 138,303,500.40 : x
  2. Step 2: Convert to fraction form
    444,917,401.20/667,376,101.80 = 138,303,500.40/x
  3. Step 3: Cross multiply
    444,917,401.20x = 667,376,101.80 × 138,303,500.40
  4. Step 4: Simplify right side
    444,917,401.20x = 92,300,450,962,246,736
  5. Step 5: Solve for x
    x = 92,300,450,962,246,736/444,917,401.20
  6. Step 6: Final answer
    x = 207,455,250.60

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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.