Home / 349,766,458.81-482,503,375.92-208,538,076.13

Finding the Fourth Proportional to 349,766,458.81, 482,503,375.92 and 208,538,076.13

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Solution

The fourth proportional to 349,766,458.81, 482,503,375.92 and 208,538,076.13 is: 287,678,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,766,458.81 : 482,503,375.92 = 208,538,076.13 : x
  2. Step 2: Convert to fraction form
    349,766,458.81/482,503,375.92 = 208,538,076.13/x
  3. Step 3: Cross multiply
    349,766,458.81x = 482,503,375.92 × 208,538,076.13
  4. Step 4: Simplify right side
    349,766,458.81x = 100,620,325,740,586,976
  5. Step 5: Solve for x
    x = 100,620,325,740,586,976/349,766,458.81
  6. Step 6: Final answer
    x = 287,678,601.55

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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.