Home / 12,861,419,305.14-19,289,989,170.30-3,895,476,878.52

Finding the Fourth Proportional to 12,861,419,305.14, 19,289,989,170.30 and 3,895,476,878.52

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Solution

The fourth proportional to 12,861,419,305.14, 19,289,989,170.30 and 3,895,476,878.52 is: 5,842,567,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,419,305.14 : 19,289,989,170.30 = 3,895,476,878.52 : x
  2. Step 2: Convert to fraction form
    12,861,419,305.14/19,289,989,170.30 = 3,895,476,878.52/x
  3. Step 3: Cross multiply
    12,861,419,305.14x = 19,289,989,170.30 × 3,895,476,878.52
  4. Step 4: Simplify right side
    12,861,419,305.14x = 75,143,706,799,804,841,984
  5. Step 5: Solve for x
    x = 75,143,706,799,804,841,984/12,861,419,305.14
  6. Step 6: Final answer
    x = 5,842,567,217.27

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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.