Home / 265,764,247.20-398,646,370.80-254,285,121.60

Finding the Fourth Proportional to 265,764,247.20, 398,646,370.80 and 254,285,121.60

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Solution

The fourth proportional to 265,764,247.20, 398,646,370.80 and 254,285,121.60 is: 381,427,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,764,247.20 : 398,646,370.80 = 254,285,121.60 : x
  2. Step 2: Convert to fraction form
    265,764,247.20/398,646,370.80 = 254,285,121.60/x
  3. Step 3: Cross multiply
    265,764,247.20x = 398,646,370.80 × 254,285,121.60
  4. Step 4: Simplify right side
    265,764,247.20x = 101,369,840,874,276,688
  5. Step 5: Solve for x
    x = 101,369,840,874,276,688/265,764,247.20
  6. Step 6: Final answer
    x = 381,427,682.40

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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.