Home / 516,917,933.96-775,604,480.44-271,215,321.80

Finding the Fourth Proportional to 516,917,933.96, 775,604,480.44 and 271,215,321.80

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Solution

The fourth proportional to 516,917,933.96, 775,604,480.44 and 271,215,321.80 is: 406,942,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,917,933.96 : 775,604,480.44 = 271,215,321.80 : x
  2. Step 2: Convert to fraction form
    516,917,933.96/775,604,480.44 = 271,215,321.80/x
  3. Step 3: Cross multiply
    516,917,933.96x = 775,604,480.44 × 271,215,321.80
  4. Step 4: Simplify right side
    516,917,933.96x = 210,355,818,752,056,416
  5. Step 5: Solve for x
    x = 210,355,818,752,056,416/516,917,933.96
  6. Step 6: Final answer
    x = 406,942,388.59

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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.