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Finding the Fourth Proportional to 177,180,276.80, 265,770,415.20 and 177,180,276.80

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Solution

The fourth proportional to 177,180,276.80, 265,770,415.20 and 177,180,276.80 is: 265,770,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,180,276.80 : 265,770,415.20 = 177,180,276.80 : x
  2. Step 2: Convert to fraction form
    177,180,276.80/265,770,415.20 = 177,180,276.80/x
  3. Step 3: Cross multiply
    177,180,276.80x = 265,770,415.20 × 177,180,276.80
  4. Step 4: Simplify right side
    177,180,276.80x = 47,089,275,730,386,928
  5. Step 5: Solve for x
    x = 47,089,275,730,386,928/177,180,276.80
  6. Step 6: Final answer
    x = 265,770,415.20

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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.