Home / 726,952,415.20-1,090,727,221.22-267,110,879.20

Finding the Fourth Proportional to 726,952,415.20, 1,090,727,221.22 and 267,110,879.20

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Solution

The fourth proportional to 726,952,415.20, 1,090,727,221.22 and 267,110,879.20 is: 400,776,035.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,952,415.20 : 1,090,727,221.22 = 267,110,879.20 : x
  2. Step 2: Convert to fraction form
    726,952,415.20/1,090,727,221.22 = 267,110,879.20/x
  3. Step 3: Cross multiply
    726,952,415.20x = 1,090,727,221.22 × 267,110,879.20
  4. Step 4: Simplify right side
    726,952,415.20x = 291,345,107,027,447,104
  5. Step 5: Solve for x
    x = 291,345,107,027,447,104/726,952,415.20
  6. Step 6: Final answer
    x = 400,776,035.59

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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.