Home / 638,247,479.98-957,662,112.44-327,573,264.61

Finding the Fourth Proportional to 638,247,479.98, 957,662,112.44 and 327,573,264.61

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Solution

The fourth proportional to 638,247,479.98, 957,662,112.44 and 327,573,264.61 is: 491,509,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,247,479.98 : 957,662,112.44 = 327,573,264.61 : x
  2. Step 2: Convert to fraction form
    638,247,479.98/957,662,112.44 = 327,573,264.61/x
  3. Step 3: Cross multiply
    638,247,479.98x = 957,662,112.44 × 327,573,264.61
  4. Step 4: Simplify right side
    638,247,479.98x = 313,704,504,562,245,952
  5. Step 5: Solve for x
    x = 313,704,504,562,245,952/638,247,479.98
  6. Step 6: Final answer
    x = 491,509,194.16

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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.