Home / 658,793,136.24-988,196,791.32-198,735,293.52

Finding the Fourth Proportional to 658,793,136.24, 988,196,791.32 and 198,735,293.52

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Solution

The fourth proportional to 658,793,136.24, 988,196,791.32 and 198,735,293.52 is: 298,105,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,793,136.24 : 988,196,791.32 = 198,735,293.52 : x
  2. Step 2: Convert to fraction form
    658,793,136.24/988,196,791.32 = 198,735,293.52/x
  3. Step 3: Cross multiply
    658,793,136.24x = 988,196,791.32 × 198,735,293.52
  4. Step 4: Simplify right side
    658,793,136.24x = 196,389,579,378,502,400
  5. Step 5: Solve for x
    x = 196,389,579,378,502,400/658,793,136.24
  6. Step 6: Final answer
    x = 298,105,078.17

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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.