Home / 2,989,095,745.82-4,481,908,978.19-1,415,189,838.44

Finding the Fourth Proportional to 2,989,095,745.82, 4,481,908,978.19 and 1,415,189,838.44

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Solution

The fourth proportional to 2,989,095,745.82, 4,481,908,978.19 and 1,415,189,838.44 is: 2,121,963,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,095,745.82 : 4,481,908,978.19 = 1,415,189,838.44 : x
  2. Step 2: Convert to fraction form
    2,989,095,745.82/4,481,908,978.19 = 1,415,189,838.44/x
  3. Step 3: Cross multiply
    2,989,095,745.82x = 4,481,908,978.19 × 1,415,189,838.44
  4. Step 4: Simplify right side
    2,989,095,745.82x = 6,342,752,042,751,621,120
  5. Step 5: Solve for x
    x = 6,342,752,042,751,621,120/2,989,095,745.82
  6. Step 6: Final answer
    x = 2,121,963,490.68

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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.