Home / 379,957,512.58-524,342,376.76-206,117,256.58

Finding the Fourth Proportional to 379,957,512.58, 524,342,376.76 and 206,117,256.58

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Solution

The fourth proportional to 379,957,512.58, 524,342,376.76 and 206,117,256.58 is: 284,442,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,957,512.58 : 524,342,376.76 = 206,117,256.58 : x
  2. Step 2: Convert to fraction form
    379,957,512.58/524,342,376.76 = 206,117,256.58/x
  3. Step 3: Cross multiply
    379,957,512.58x = 524,342,376.76 × 206,117,256.58
  4. Step 4: Simplify right side
    379,957,512.58x = 108,076,012,206,407,952
  5. Step 5: Solve for x
    x = 108,076,012,206,407,952/379,957,512.58
  6. Step 6: Final answer
    x = 284,442,361.65

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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.