Home / 11,918,206,581.73-17,871,102,372.09-5,620,944,986.85

Finding the Fourth Proportional to 11,918,206,581.73, 17,871,102,372.09 and 5,620,944,986.85

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Solution

The fourth proportional to 11,918,206,581.73, 17,871,102,372.09 and 5,620,944,986.85 is: 8,428,489,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,206,581.73 : 17,871,102,372.09 = 5,620,944,986.85 : x
  2. Step 2: Convert to fraction form
    11,918,206,581.73/17,871,102,372.09 = 5,620,944,986.85/x
  3. Step 3: Cross multiply
    11,918,206,581.73x = 17,871,102,372.09 × 5,620,944,986.85
  4. Step 4: Simplify right side
    11,918,206,581.73x = 100,452,483,287,834,443,776
  5. Step 5: Solve for x
    x = 100,452,483,287,834,443,776/11,918,206,581.73
  6. Step 6: Final answer
    x = 8,428,489,857.01

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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.