Home / 1,227,936,395.36-1,842,859,741.44-857,061,992

Finding the Fourth Proportional to 1,227,936,395.36, 1,842,859,741.44 and 857,061,992

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Solution

The fourth proportional to 1,227,936,395.36, 1,842,859,741.44 and 857,061,992 is: 1,286,259,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,936,395.36 : 1,842,859,741.44 = 857,061,992 : x
  2. Step 2: Convert to fraction form
    1,227,936,395.36/1,842,859,741.44 = 857,061,992/x
  3. Step 3: Cross multiply
    1,227,936,395.36x = 1,842,859,741.44 × 857,061,992
  4. Step 4: Simplify right side
    1,227,936,395.36x = 1,579,445,040,975,171,328
  5. Step 5: Solve for x
    x = 1,579,445,040,975,171,328/1,227,936,395.36
  6. Step 6: Final answer
    x = 1,286,259,652.33

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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.