Home / 278,705,404.44-384,614,952.48-153,265,687.56

Finding the Fourth Proportional to 278,705,404.44, 384,614,952.48 and 153,265,687.56

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Solution

The fourth proportional to 278,705,404.44, 384,614,952.48 and 153,265,687.56 is: 211,507,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,705,404.44 : 384,614,952.48 = 153,265,687.56 : x
  2. Step 2: Convert to fraction form
    278,705,404.44/384,614,952.48 = 153,265,687.56/x
  3. Step 3: Cross multiply
    278,705,404.44x = 384,614,952.48 × 153,265,687.56
  4. Step 4: Simplify right side
    278,705,404.44x = 58,948,275,137,703,928
  5. Step 5: Solve for x
    x = 58,948,275,137,703,928/278,705,404.44
  6. Step 6: Final answer
    x = 211,507,470.61

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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.