Home / 300,342,217,571.15-414,507,792,481.97-178,407,433,750.83

Finding the Fourth Proportional to 300,342,217,571.15, 414,507,792,481.97 and 178,407,433,750.83

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Solution

The fourth proportional to 300,342,217,571.15, 414,507,792,481.97 and 178,407,433,750.83 is: 246,223,365,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,342,217,571.15 : 414,507,792,481.97 = 178,407,433,750.83 : x
  2. Step 2: Convert to fraction form
    300,342,217,571.15/414,507,792,481.97 = 178,407,433,750.83/x
  3. Step 3: Cross multiply
    300,342,217,571.15x = 414,507,792,481.97 × 178,407,433,750.83
  4. Step 4: Simplify right side
    300,342,217,571.15x = 73,951,271,526,429,842,472,960
  5. Step 5: Solve for x
    x = 73,951,271,526,429,842,472,960/300,342,217,571.15
  6. Step 6: Final answer
    x = 246,223,365,214.75

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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.