Home / 392,117,800.32-588,240,537.60-115,796,962.56

Finding the Fourth Proportional to 392,117,800.32, 588,240,537.60 and 115,796,962.56

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Solution

The fourth proportional to 392,117,800.32, 588,240,537.60 and 115,796,962.56 is: 173,714,295.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,117,800.32 : 588,240,537.60 = 115,796,962.56 : x
  2. Step 2: Convert to fraction form
    392,117,800.32/588,240,537.60 = 115,796,962.56/x
  3. Step 3: Cross multiply
    392,117,800.32x = 588,240,537.60 × 115,796,962.56
  4. Step 4: Simplify right side
    392,117,800.32x = 68,116,467,508,741,480
  5. Step 5: Solve for x
    x = 68,116,467,508,741,480/392,117,800.32
  6. Step 6: Final answer
    x = 173,714,295.69

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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.