Home / 300,342,217,607.55-414,507,792,532.38-178,407,433,787.28

Finding the Fourth Proportional to 300,342,217,607.55, 414,507,792,532.38 and 178,407,433,787.28

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Solution

The fourth proportional to 300,342,217,607.55, 414,507,792,532.38 and 178,407,433,787.28 is: 246,223,365,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,342,217,607.55 : 414,507,792,532.38 = 178,407,433,787.28 : x
  2. Step 2: Convert to fraction form
    300,342,217,607.55/414,507,792,532.38 = 178,407,433,787.28/x
  3. Step 3: Cross multiply
    300,342,217,607.55x = 414,507,792,532.38 × 178,407,433,787.28
  4. Step 4: Simplify right side
    300,342,217,607.55x = 73,951,271,550,532,183,916,544
  5. Step 5: Solve for x
    x = 73,951,271,550,532,183,916,544/300,342,217,607.55
  6. Step 6: Final answer
    x = 246,223,365,265.16

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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.