Home / 636,503,504,624.72-878,378,404,123.24-362,149,150,444.20

Finding the Fourth Proportional to 636,503,504,624.72, 878,378,404,123.24 and 362,149,150,444.20

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Solution

The fourth proportional to 636,503,504,624.72, 878,378,404,123.24 and 362,149,150,444.20 is: 499,767,857,538.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,503,504,624.72 : 878,378,404,123.24 = 362,149,150,444.20 : x
  2. Step 2: Convert to fraction form
    636,503,504,624.72/878,378,404,123.24 = 362,149,150,444.20/x
  3. Step 3: Cross multiply
    636,503,504,624.72x = 878,378,404,123.24 × 362,149,150,444.20
  4. Step 4: Simplify right side
    636,503,504,624.72x = 318,103,992,821,763,522,166,784
  5. Step 5: Solve for x
    x = 318,103,992,821,763,522,166,784/636,503,504,624.72
  6. Step 6: Final answer
    x = 499,767,857,538.06

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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.