Home / 751,737,731.78-1,127,649,689.31-199,025,797.97

Finding the Fourth Proportional to 751,737,731.78, 1,127,649,689.31 and 199,025,797.97

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Solution

The fourth proportional to 751,737,731.78, 1,127,649,689.31 and 199,025,797.97 is: 298,550,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,737,731.78 : 1,127,649,689.31 = 199,025,797.97 : x
  2. Step 2: Convert to fraction form
    751,737,731.78/1,127,649,689.31 = 199,025,797.97/x
  3. Step 3: Cross multiply
    751,737,731.78x = 1,127,649,689.31 × 199,025,797.97
  4. Step 4: Simplify right side
    751,737,731.78x = 224,431,379,239,907,072
  5. Step 5: Solve for x
    x = 224,431,379,239,907,072/751,737,731.78
  6. Step 6: Final answer
    x = 298,550,105.65

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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.