Home / 392,117,735.82-588,240,440.61-115,796,897.82

Finding the Fourth Proportional to 392,117,735.82, 588,240,440.61 and 115,796,897.82

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Solution

The fourth proportional to 392,117,735.82, 588,240,440.61 and 115,796,897.82 is: 173,714,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,117,735.82 : 588,240,440.61 = 115,796,897.82 : x
  2. Step 2: Convert to fraction form
    392,117,735.82/588,240,440.61 = 115,796,897.82/x
  3. Step 3: Cross multiply
    392,117,735.82x = 588,240,440.61 × 115,796,897.82
  4. Step 4: Simplify right side
    392,117,735.82x = 68,116,418,194,907,944
  5. Step 5: Solve for x
    x = 68,116,418,194,907,944/392,117,735.82
  6. Step 6: Final answer
    x = 173,714,198.50

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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.