Home / 331,839,343.12-457,869,928.60-190,683,289.12

Finding the Fourth Proportional to 331,839,343.12, 457,869,928.60 and 190,683,289.12

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Solution

The fourth proportional to 331,839,343.12, 457,869,928.60 and 190,683,289.12 is: 263,103,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,839,343.12 : 457,869,928.60 = 190,683,289.12 : x
  2. Step 2: Convert to fraction form
    331,839,343.12/457,869,928.60 = 190,683,289.12/x
  3. Step 3: Cross multiply
    331,839,343.12x = 457,869,928.60 × 190,683,289.12
  4. Step 4: Simplify right side
    331,839,343.12x = 87,308,143,974,587,568
  5. Step 5: Solve for x
    x = 87,308,143,974,587,568/331,839,343.12
  6. Step 6: Final answer
    x = 263,103,654.78

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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.