Home / 386,157,499.60-579,236,249.40-276,751,512.40

Finding the Fourth Proportional to 386,157,499.60, 579,236,249.40 and 276,751,512.40

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Solution

The fourth proportional to 386,157,499.60, 579,236,249.40 and 276,751,512.40 is: 415,127,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,157,499.60 : 579,236,249.40 = 276,751,512.40 : x
  2. Step 2: Convert to fraction form
    386,157,499.60/579,236,249.40 = 276,751,512.40/x
  3. Step 3: Cross multiply
    386,157,499.60x = 579,236,249.40 × 276,751,512.40
  4. Step 4: Simplify right side
    386,157,499.60x = 160,304,508,058,353,568
  5. Step 5: Solve for x
    x = 160,304,508,058,353,568/386,157,499.60
  6. Step 6: Final answer
    x = 415,127,268.60

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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.