Home / 387,659,338.56-534,971,562.22-211,451,119.25

Finding the Fourth Proportional to 387,659,338.56, 534,971,562.22 and 211,451,119.25

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Solution

The fourth proportional to 387,659,338.56, 534,971,562.22 and 211,451,119.25 is: 291,803,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,659,338.56 : 534,971,562.22 = 211,451,119.25 : x
  2. Step 2: Convert to fraction form
    387,659,338.56/534,971,562.22 = 211,451,119.25/x
  3. Step 3: Cross multiply
    387,659,338.56x = 534,971,562.22 × 211,451,119.25
  4. Step 4: Simplify right side
    387,659,338.56x = 113,120,335,595,929,472
  5. Step 5: Solve for x
    x = 113,120,335,595,929,472/387,659,338.56
  6. Step 6: Final answer
    x = 291,803,458.20

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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.