Home / 487,068,004.44-730,524,234.42-141,940,902.36

Finding the Fourth Proportional to 487,068,004.44, 730,524,234.42 and 141,940,902.36

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Solution

The fourth proportional to 487,068,004.44, 730,524,234.42 and 141,940,902.36 is: 212,888,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,068,004.44 : 730,524,234.42 = 141,940,902.36 : x
  2. Step 2: Convert to fraction form
    487,068,004.44/730,524,234.42 = 141,940,902.36/x
  3. Step 3: Cross multiply
    487,068,004.44x = 730,524,234.42 × 141,940,902.36
  4. Step 4: Simplify right side
    487,068,004.44x = 103,691,269,029,422,976
  5. Step 5: Solve for x
    x = 103,691,269,029,422,976/487,068,004.44
  6. Step 6: Final answer
    x = 212,888,689.23

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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.