Home / 389,331,131,021.52-537,105,813,789.96-234,920,683,433.04

Finding the Fourth Proportional to 389,331,131,021.52, 537,105,813,789.96 and 234,920,683,433.04

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Solution

The fourth proportional to 389,331,131,021.52, 537,105,813,789.96 and 234,920,683,433.04 is: 324,087,273,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,331,131,021.52 : 537,105,813,789.96 = 234,920,683,433.04 : x
  2. Step 2: Convert to fraction form
    389,331,131,021.52/537,105,813,789.96 = 234,920,683,433.04/x
  3. Step 3: Cross multiply
    389,331,131,021.52x = 537,105,813,789.96 × 234,920,683,433.04
  4. Step 4: Simplify right side
    389,331,131,021.52x = 126,177,264,851,396,541,284,352
  5. Step 5: Solve for x
    x = 126,177,264,851,396,541,284,352/389,331,131,021.52
  6. Step 6: Final answer
    x = 324,087,273,782.44

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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.