Home / 1,824,140,765.44-2,517,246,816.40-988,747,399.92

Finding the Fourth Proportional to 1,824,140,765.44, 2,517,246,816.40 and 988,747,399.92

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Solution

The fourth proportional to 1,824,140,765.44, 2,517,246,816.40 and 988,747,399.92 is: 1,364,434,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824,140,765.44 : 2,517,246,816.40 = 988,747,399.92 : x
  2. Step 2: Convert to fraction form
    1,824,140,765.44/2,517,246,816.40 = 988,747,399.92/x
  3. Step 3: Cross multiply
    1,824,140,765.44x = 2,517,246,816.40 × 988,747,399.92
  4. Step 4: Simplify right side
    1,824,140,765.44x = 2,488,921,244,672,397,824
  5. Step 5: Solve for x
    x = 2,488,921,244,672,397,824/1,824,140,765.44
  6. Step 6: Final answer
    x = 1,364,434,857.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.