Home / 2,231,534,436.32-3,347,785,886.97-678,785,401.46

Finding the Fourth Proportional to 2,231,534,436.32, 3,347,785,886.97 and 678,785,401.46

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Solution

The fourth proportional to 2,231,534,436.32, 3,347,785,886.97 and 678,785,401.46 is: 1,018,325,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231,534,436.32 : 3,347,785,886.97 = 678,785,401.46 : x
  2. Step 2: Convert to fraction form
    2,231,534,436.32/3,347,785,886.97 = 678,785,401.46/x
  3. Step 3: Cross multiply
    2,231,534,436.32x = 3,347,785,886.97 × 678,785,401.46
  4. Step 4: Simplify right side
    2,231,534,436.32x = 2,272,428,187,289,053,696
  5. Step 5: Solve for x
    x = 2,272,428,187,289,053,696/2,231,534,436.32
  6. Step 6: Final answer
    x = 1,018,325,395.43

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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.