Home / 356,838,283.44-492,429,083.76-206,131,063.68

Finding the Fourth Proportional to 356,838,283.44, 492,429,083.76 and 206,131,063.68

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Solution

The fourth proportional to 356,838,283.44, 492,429,083.76 and 206,131,063.68 is: 284,456,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,838,283.44 : 492,429,083.76 = 206,131,063.68 : x
  2. Step 2: Convert to fraction form
    356,838,283.44/492,429,083.76 = 206,131,063.68/x
  3. Step 3: Cross multiply
    356,838,283.44x = 492,429,083.76 × 206,131,063.68
  4. Step 4: Simplify right side
    356,838,283.44x = 101,504,930,822,416,608
  5. Step 5: Solve for x
    x = 101,504,930,822,416,608/356,838,283.44
  6. Step 6: Final answer
    x = 284,456,392.53

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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.