Home / 265,736,761.20-398,605,141.80-254,257,635.60

Finding the Fourth Proportional to 265,736,761.20, 398,605,141.80 and 254,257,635.60

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Solution

The fourth proportional to 265,736,761.20, 398,605,141.80 and 254,257,635.60 is: 381,386,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,736,761.20 : 398,605,141.80 = 254,257,635.60 : x
  2. Step 2: Convert to fraction form
    265,736,761.20/398,605,141.80 = 254,257,635.60/x
  3. Step 3: Cross multiply
    265,736,761.20x = 398,605,141.80 × 254,257,635.60
  4. Step 4: Simplify right side
    265,736,761.20x = 101,348,400,892,070,736
  5. Step 5: Solve for x
    x = 101,348,400,892,070,736/265,736,761.20
  6. Step 6: Final answer
    x = 381,386,453.40

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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.