Home / 509,814,610,661.58-764,344,916,361.60-308,311,548,231.21

Finding the Fourth Proportional to 509,814,610,661.58, 764,344,916,361.60 and 308,311,548,231.21

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Solution

The fourth proportional to 509,814,610,661.58, 764,344,916,361.60 and 308,311,548,231.21 is: 462,239,330,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,814,610,661.58 : 764,344,916,361.60 = 308,311,548,231.21 : x
  2. Step 2: Convert to fraction form
    509,814,610,661.58/764,344,916,361.60 = 308,311,548,231.21/x
  3. Step 3: Cross multiply
    509,814,610,661.58x = 764,344,916,361.60 × 308,311,548,231.21
  4. Step 4: Simplify right side
    509,814,610,661.58x = 235,656,364,546,099,632,930,816
  5. Step 5: Solve for x
    x = 235,656,364,546,099,632,930,816/509,814,610,661.58
  6. Step 6: Final answer
    x = 462,239,330,960.51

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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.