Home / 11,918,206,581.89-17,871,102,372.32-5,620,944,987

Finding the Fourth Proportional to 11,918,206,581.89, 17,871,102,372.32 and 5,620,944,987

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Solution

The fourth proportional to 11,918,206,581.89, 17,871,102,372.32 and 5,620,944,987 is: 8,428,489,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,206,581.89 : 17,871,102,372.32 = 5,620,944,987 : x
  2. Step 2: Convert to fraction form
    11,918,206,581.89/17,871,102,372.32 = 5,620,944,987/x
  3. Step 3: Cross multiply
    11,918,206,581.89x = 17,871,102,372.32 × 5,620,944,987
  4. Step 4: Simplify right side
    11,918,206,581.89x = 100,452,483,291,855,912,960
  5. Step 5: Solve for x
    x = 100,452,483,291,855,912,960/11,918,206,581.89
  6. Step 6: Final answer
    x = 8,428,489,857.24

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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.