Home / 300,342,217,608.19-414,507,792,533.23-178,407,433,787.92

Finding the Fourth Proportional to 300,342,217,608.19, 414,507,792,533.23 and 178,407,433,787.92

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Solution

The fourth proportional to 300,342,217,608.19, 414,507,792,533.23 and 178,407,433,787.92 is: 246,223,365,266.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,342,217,608.19 : 414,507,792,533.23 = 178,407,433,787.92 : x
  2. Step 2: Convert to fraction form
    300,342,217,608.19/414,507,792,533.23 = 178,407,433,787.92/x
  3. Step 3: Cross multiply
    300,342,217,608.19x = 414,507,792,533.23 × 178,407,433,787.92
  4. Step 4: Simplify right side
    300,342,217,608.19x = 73,951,271,550,949,114,511,360
  5. Step 5: Solve for x
    x = 73,951,271,550,949,114,511,360/300,342,217,608.19
  6. Step 6: Final answer
    x = 246,223,365,266.02

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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.