Home / 490,892,502.40-677,446,027.44-267,888,553.60

Finding the Fourth Proportional to 490,892,502.40, 677,446,027.44 and 267,888,553.60

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Solution

The fourth proportional to 490,892,502.40, 677,446,027.44 and 267,888,553.60 is: 369,694,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,892,502.40 : 677,446,027.44 = 267,888,553.60 : x
  2. Step 2: Convert to fraction form
    490,892,502.40/677,446,027.44 = 267,888,553.60/x
  3. Step 3: Cross multiply
    490,892,502.40x = 677,446,027.44 × 267,888,553.60
  4. Step 4: Simplify right side
    490,892,502.40x = 181,480,036,432,967,520
  5. Step 5: Solve for x
    x = 181,480,036,432,967,520/490,892,502.40
  6. Step 6: Final answer
    x = 369,694,048.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.