Home / 493,080,959.39-680,462,738.63-281,383,575.24

Finding the Fourth Proportional to 493,080,959.39, 680,462,738.63 and 281,383,575.24

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Solution

The fourth proportional to 493,080,959.39, 680,462,738.63 and 281,383,575.24 is: 388,315,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,080,959.39 : 680,462,738.63 = 281,383,575.24 : x
  2. Step 2: Convert to fraction form
    493,080,959.39/680,462,738.63 = 281,383,575.24/x
  3. Step 3: Cross multiply
    493,080,959.39x = 680,462,738.63 × 281,383,575.24
  4. Step 4: Simplify right side
    493,080,959.39x = 191,471,038,211,904,160
  5. Step 5: Solve for x
    x = 191,471,038,211,904,160/493,080,959.39
  6. Step 6: Final answer
    x = 388,315,619.51

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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.