Home / 494,802,539.12-682,808,796.12-274,800,136.88

Finding the Fourth Proportional to 494,802,539.12, 682,808,796.12 and 274,800,136.88

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Solution

The fourth proportional to 494,802,539.12, 682,808,796.12 and 274,800,136.88 is: 379,213,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,802,539.12 : 682,808,796.12 = 274,800,136.88 : x
  2. Step 2: Convert to fraction form
    494,802,539.12/682,808,796.12 = 274,800,136.88/x
  3. Step 3: Cross multiply
    494,802,539.12x = 682,808,796.12 × 274,800,136.88
  4. Step 4: Simplify right side
    494,802,539.12x = 187,635,950,639,373,312
  5. Step 5: Solve for x
    x = 187,635,950,639,373,312/494,802,539.12
  6. Step 6: Final answer
    x = 379,213,799.05

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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.