Home / 493,080,957.88-680,462,736.55-281,383,573.74

Finding the Fourth Proportional to 493,080,957.88, 680,462,736.55 and 281,383,573.74

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Solution

The fourth proportional to 493,080,957.88, 680,462,736.55 and 281,383,573.74 is: 388,315,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,080,957.88 : 680,462,736.55 = 281,383,573.74 : x
  2. Step 2: Convert to fraction form
    493,080,957.88/680,462,736.55 = 281,383,573.74/x
  3. Step 3: Cross multiply
    493,080,957.88x = 680,462,736.55 × 281,383,573.74
  4. Step 4: Simplify right side
    493,080,957.88x = 191,471,036,606,635,680
  5. Step 5: Solve for x
    x = 191,471,036,606,635,680/493,080,957.88
  6. Step 6: Final answer
    x = 388,315,617.44

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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.