Home / 300,342,217,572.80-414,507,792,484.29-178,407,433,752.52

Finding the Fourth Proportional to 300,342,217,572.80, 414,507,792,484.29 and 178,407,433,752.52

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Solution

The fourth proportional to 300,342,217,572.80, 414,507,792,484.29 and 178,407,433,752.52 is: 246,223,365,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,342,217,572.80 : 414,507,792,484.29 = 178,407,433,752.52 : x
  2. Step 2: Convert to fraction form
    300,342,217,572.80/414,507,792,484.29 = 178,407,433,752.52/x
  3. Step 3: Cross multiply
    300,342,217,572.80x = 414,507,792,484.29 × 178,407,433,752.52
  4. Step 4: Simplify right side
    300,342,217,572.80x = 73,951,271,527,544,269,045,760
  5. Step 5: Solve for x
    x = 73,951,271,527,544,269,045,760/300,342,217,572.80
  6. Step 6: Final answer
    x = 246,223,365,217.11

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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.