Home / 2,018,331,016.20-3,026,929,653.90-638,568,462.60

Finding the Fourth Proportional to 2,018,331,016.20, 3,026,929,653.90 and 638,568,462.60

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Solution

The fourth proportional to 2,018,331,016.20, 3,026,929,653.90 and 638,568,462.60 is: 957,673,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,331,016.20 : 3,026,929,653.90 = 638,568,462.60 : x
  2. Step 2: Convert to fraction form
    2,018,331,016.20/3,026,929,653.90 = 638,568,462.60/x
  3. Step 3: Cross multiply
    2,018,331,016.20x = 3,026,929,653.90 × 638,568,462.60
  4. Step 4: Simplify right side
    2,018,331,016.20x = 1,932,901,815,489,273,344
  5. Step 5: Solve for x
    x = 1,932,901,815,489,273,344/2,018,331,016.20
  6. Step 6: Final answer
    x = 957,673,344.94

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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.