Home / 279,933,065.79-386,452,858.80-204,494,687.79

Finding the Fourth Proportional to 279,933,065.79, 386,452,858.80 and 204,494,687.79

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Solution

The fourth proportional to 279,933,065.79, 386,452,858.80 and 204,494,687.79 is: 282,308,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,933,065.79 : 386,452,858.80 = 204,494,687.79 : x
  2. Step 2: Convert to fraction form
    279,933,065.79/386,452,858.80 = 204,494,687.79/x
  3. Step 3: Cross multiply
    279,933,065.79x = 386,452,858.80 × 204,494,687.79
  4. Step 4: Simplify right side
    279,933,065.79x = 79,027,556,705,858,960
  5. Step 5: Solve for x
    x = 79,027,556,705,858,960/279,933,065.79
  6. Step 6: Final answer
    x = 282,308,760.07

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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.