Home / 538,992,123.60-808,768,121.40-251,777,787.60

Finding the Fourth Proportional to 538,992,123.60, 808,768,121.40 and 251,777,787.60

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Solution

The fourth proportional to 538,992,123.60, 808,768,121.40 and 251,777,787.60 is: 377,797,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,992,123.60 : 808,768,121.40 = 251,777,787.60 : x
  2. Step 2: Convert to fraction form
    538,992,123.60/808,768,121.40 = 251,777,787.60/x
  3. Step 3: Cross multiply
    538,992,123.60x = 808,768,121.40 × 251,777,787.60
  4. Step 4: Simplify right side
    538,992,123.60x = 203,629,848,287,500,192
  5. Step 5: Solve for x
    x = 203,629,848,287,500,192/538,992,123.60
  6. Step 6: Final answer
    x = 377,797,447.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.