Home / 265,718,190.80-398,577,286.20-163,149,640.40

Finding the Fourth Proportional to 265,718,190.80, 398,577,286.20 and 163,149,640.40

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Solution

The fourth proportional to 265,718,190.80, 398,577,286.20 and 163,149,640.40 is: 244,724,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,718,190.80 : 398,577,286.20 = 163,149,640.40 : x
  2. Step 2: Convert to fraction form
    265,718,190.80/398,577,286.20 = 163,149,640.40/x
  3. Step 3: Cross multiply
    265,718,190.80x = 398,577,286.20 × 163,149,640.40
  4. Step 4: Simplify right side
    265,718,190.80x = 65,027,740,915,137,880
  5. Step 5: Solve for x
    x = 65,027,740,915,137,880/265,718,190.80
  6. Step 6: Final answer
    x = 244,724,460.60

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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.