Home / 217,180,200.30-325,770,300.45-178,916,448.30

Finding the Fourth Proportional to 217,180,200.30, 325,770,300.45 and 178,916,448.30

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Solution

The fourth proportional to 217,180,200.30, 325,770,300.45 and 178,916,448.30 is: 268,374,672.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,180,200.30 : 325,770,300.45 = 178,916,448.30 : x
  2. Step 2: Convert to fraction form
    217,180,200.30/325,770,300.45 = 178,916,448.30/x
  3. Step 3: Cross multiply
    217,180,200.30x = 325,770,300.45 × 178,916,448.30
  4. Step 4: Simplify right side
    217,180,200.30x = 58,285,665,118,137,896
  5. Step 5: Solve for x
    x = 58,285,665,118,137,896/217,180,200.30
  6. Step 6: Final answer
    x = 268,374,672.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.