Home / 636,503,504,625.45-878,378,404,124.15-362,149,150,444.85

Finding the Fourth Proportional to 636,503,504,625.45, 878,378,404,124.15 and 362,149,150,444.85

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Solution

The fourth proportional to 636,503,504,625.45, 878,378,404,124.15 and 362,149,150,444.85 is: 499,767,857,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,503,504,625.45 : 878,378,404,124.15 = 362,149,150,444.85 : x
  2. Step 2: Convert to fraction form
    636,503,504,625.45/878,378,404,124.15 = 362,149,150,444.85/x
  3. Step 3: Cross multiply
    636,503,504,625.45x = 878,378,404,124.15 × 362,149,150,444.85
  4. Step 4: Simplify right side
    636,503,504,625.45x = 318,103,992,822,664,056,012,800
  5. Step 5: Solve for x
    x = 318,103,992,822,664,056,012,800/636,503,504,625.45
  6. Step 6: Final answer
    x = 499,767,857,538.90

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1.5x scale

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.