Home / 272,584,544.40-408,876,816.60-165,089,120.40

Finding the Fourth Proportional to 272,584,544.40, 408,876,816.60 and 165,089,120.40

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Solution

The fourth proportional to 272,584,544.40, 408,876,816.60 and 165,089,120.40 is: 247,633,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,584,544.40 : 408,876,816.60 = 165,089,120.40 : x
  2. Step 2: Convert to fraction form
    272,584,544.40/408,876,816.60 = 165,089,120.40/x
  3. Step 3: Cross multiply
    272,584,544.40x = 408,876,816.60 × 165,089,120.40
  4. Step 4: Simplify right side
    272,584,544.40x = 67,501,114,004,446,128
  5. Step 5: Solve for x
    x = 67,501,114,004,446,128/272,584,544.40
  6. Step 6: Final answer
    x = 247,633,680.60

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Double scale
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Similar ratio
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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.