Home / 356,358,112,164.93-491,783,515,134.85-193,787,266,178.27

Finding the Fourth Proportional to 356,358,112,164.93, 491,783,515,134.85 and 193,787,266,178.27

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Solution

The fourth proportional to 356,358,112,164.93, 491,783,515,134.85 and 193,787,266,178.27 is: 267,431,495,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,358,112,164.93 : 491,783,515,134.85 = 193,787,266,178.27 : x
  2. Step 2: Convert to fraction form
    356,358,112,164.93/491,783,515,134.85 = 193,787,266,178.27/x
  3. Step 3: Cross multiply
    356,358,112,164.93x = 491,783,515,134.85 × 193,787,266,178.27
  4. Step 4: Simplify right side
    356,358,112,164.93x = 95,301,382,949,522,441,764,864
  5. Step 5: Solve for x
    x = 95,301,382,949,522,441,764,864/356,358,112,164.93
  6. Step 6: Final answer
    x = 267,431,495,723.65

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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.