Home / 379,957,513.58-524,342,378.14-206,117,257.58

Finding the Fourth Proportional to 379,957,513.58, 524,342,378.14 and 206,117,257.58

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Solution

The fourth proportional to 379,957,513.58, 524,342,378.14 and 206,117,257.58 is: 284,442,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,957,513.58 : 524,342,378.14 = 206,117,257.58 : x
  2. Step 2: Convert to fraction form
    379,957,513.58/524,342,378.14 = 206,117,257.58/x
  3. Step 3: Cross multiply
    379,957,513.58x = 524,342,378.14 × 206,117,257.58
  4. Step 4: Simplify right side
    379,957,513.58x = 108,076,013,015,192,144
  5. Step 5: Solve for x
    x = 108,076,013,015,192,144/379,957,513.58
  6. Step 6: Final answer
    x = 284,442,363.03

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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.