Home / 494,802,542.12-682,808,800.26-274,800,139.88

Finding the Fourth Proportional to 494,802,542.12, 682,808,800.26 and 274,800,139.88

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Solution

The fourth proportional to 494,802,542.12, 682,808,800.26 and 274,800,139.88 is: 379,213,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,802,542.12 : 682,808,800.26 = 274,800,139.88 : x
  2. Step 2: Convert to fraction form
    494,802,542.12/682,808,800.26 = 274,800,139.88/x
  3. Step 3: Cross multiply
    494,802,542.12x = 682,808,800.26 × 274,800,139.88
  4. Step 4: Simplify right side
    494,802,542.12x = 187,635,953,824,449,984
  5. Step 5: Solve for x
    x = 187,635,953,824,449,984/494,802,542.12
  6. Step 6: Final answer
    x = 379,213,803.19

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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.