Home / 315,522,841.35-475,437,936.03-259,275,125.91

Finding the Fourth Proportional to 315,522,841.35, 475,437,936.03 and 259,275,125.91

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Solution

The fourth proportional to 315,522,841.35, 475,437,936.03 and 259,275,125.91 is: 390,682,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,522,841.35 : 475,437,936.03 = 259,275,125.91 : x
  2. Step 2: Convert to fraction form
    315,522,841.35/475,437,936.03 = 259,275,125.91/x
  3. Step 3: Cross multiply
    315,522,841.35x = 475,437,936.03 × 259,275,125.91
  4. Step 4: Simplify right side
    315,522,841.35x = 123,269,230,726,568,768
  5. Step 5: Solve for x
    x = 123,269,230,726,568,768/315,522,841.35
  6. Step 6: Final answer
    x = 390,682,431.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.