Home / 340,726,745.70-511,090,118.55-259,097,408.10

Finding the Fourth Proportional to 340,726,745.70, 511,090,118.55 and 259,097,408.10

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Solution

The fourth proportional to 340,726,745.70, 511,090,118.55 and 259,097,408.10 is: 388,646,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,726,745.70 : 511,090,118.55 = 259,097,408.10 : x
  2. Step 2: Convert to fraction form
    340,726,745.70/511,090,118.55 = 259,097,408.10/x
  3. Step 3: Cross multiply
    340,726,745.70x = 511,090,118.55 × 259,097,408.10
  4. Step 4: Simplify right side
    340,726,745.70x = 132,422,125,021,826,736
  5. Step 5: Solve for x
    x = 132,422,125,021,826,736/340,726,745.70
  6. Step 6: Final answer
    x = 388,646,112.15

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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.