Home / 2,018,331,029.20-3,026,929,673.40-638,568,475.60

Finding the Fourth Proportional to 2,018,331,029.20, 3,026,929,673.40 and 638,568,475.60

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Solution

The fourth proportional to 2,018,331,029.20, 3,026,929,673.40 and 638,568,475.60 is: 957,673,364.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,331,029.20 : 3,026,929,673.40 = 638,568,475.60 : x
  2. Step 2: Convert to fraction form
    2,018,331,029.20/3,026,929,673.40 = 638,568,475.60/x
  3. Step 3: Cross multiply
    2,018,331,029.20x = 3,026,929,673.40 × 638,568,475.60
  4. Step 4: Simplify right side
    2,018,331,029.20x = 1,932,901,867,291,443,968
  5. Step 5: Solve for x
    x = 1,932,901,867,291,443,968/2,018,331,029.20
  6. Step 6: Final answer
    x = 957,673,364.44

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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.