Home / 387,802,739.88-534,542,609.07-262,309,169.34

Finding the Fourth Proportional to 387,802,739.88, 534,542,609.07 and 262,309,169.34

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Solution

The fourth proportional to 387,802,739.88, 534,542,609.07 and 262,309,169.34 is: 361,563,788.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,802,739.88 : 534,542,609.07 = 262,309,169.34 : x
  2. Step 2: Convert to fraction form
    387,802,739.88/534,542,609.07 = 262,309,169.34/x
  3. Step 3: Cross multiply
    387,802,739.88x = 534,542,609.07 × 262,309,169.34
  4. Step 4: Simplify right side
    387,802,739.88x = 140,215,427,761,988,048
  5. Step 5: Solve for x
    x = 140,215,427,761,988,048/387,802,739.88
  6. Step 6: Final answer
    x = 361,563,788.35

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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.