Home / 2,018,331,038.70-3,026,929,687.65-638,568,485.10

Finding the Fourth Proportional to 2,018,331,038.70, 3,026,929,687.65 and 638,568,485.10

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Solution

The fourth proportional to 2,018,331,038.70, 3,026,929,687.65 and 638,568,485.10 is: 957,673,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,331,038.70 : 3,026,929,687.65 = 638,568,485.10 : x
  2. Step 2: Convert to fraction form
    2,018,331,038.70/3,026,929,687.65 = 638,568,485.10/x
  3. Step 3: Cross multiply
    2,018,331,038.70x = 3,026,929,687.65 × 638,568,485.10
  4. Step 4: Simplify right side
    2,018,331,038.70x = 1,932,901,905,146,876,928
  5. Step 5: Solve for x
    x = 1,932,901,905,146,876,928/2,018,331,038.70
  6. Step 6: Final answer
    x = 957,673,378.69

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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.