Home / 1,067,810,425.17-1,474,089,364.78-711,171,704.72

Finding the Fourth Proportional to 1,067,810,425.17, 1,474,089,364.78 and 711,171,704.72

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Solution

The fourth proportional to 1,067,810,425.17, 1,474,089,364.78 and 711,171,704.72 is: 981,757,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,810,425.17 : 1,474,089,364.78 = 711,171,704.72 : x
  2. Step 2: Convert to fraction form
    1,067,810,425.17/1,474,089,364.78 = 711,171,704.72/x
  3. Step 3: Cross multiply
    1,067,810,425.17x = 1,474,089,364.78 × 711,171,704.72
  4. Step 4: Simplify right side
    1,067,810,425.17x = 1,048,330,646,451,066,112
  5. Step 5: Solve for x
    x = 1,048,330,646,451,066,112/1,067,810,425.17
  6. Step 6: Final answer
    x = 981,757,268.65

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Double scale
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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.