Home / 658,773,453.67-987,873,136.75-221,992,724.59

Finding the Fourth Proportional to 658,773,453.67, 987,873,136.75 and 221,992,724.59

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Solution

The fourth proportional to 658,773,453.67, 987,873,136.75 and 221,992,724.59 is: 332,892,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,773,453.67 : 987,873,136.75 = 221,992,724.59 : x
  2. Step 2: Convert to fraction form
    658,773,453.67/987,873,136.75 = 221,992,724.59/x
  3. Step 3: Cross multiply
    658,773,453.67x = 987,873,136.75 × 221,992,724.59
  4. Step 4: Simplify right side
    658,773,453.67x = 219,300,649,174,209,984
  5. Step 5: Solve for x
    x = 219,300,649,174,209,984/658,773,453.67
  6. Step 6: Final answer
    x = 332,892,359.21

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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.