Home / 403,250,218.25-556,463,712.24-222,191,580.65

Finding the Fourth Proportional to 403,250,218.25, 556,463,712.24 and 222,191,580.65

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Solution

The fourth proportional to 403,250,218.25, 556,463,712.24 and 222,191,580.65 is: 306,612,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,250,218.25 : 556,463,712.24 = 222,191,580.65 : x
  2. Step 2: Convert to fraction form
    403,250,218.25/556,463,712.24 = 222,191,580.65/x
  3. Step 3: Cross multiply
    403,250,218.25x = 556,463,712.24 × 222,191,580.65
  4. Step 4: Simplify right side
    403,250,218.25x = 123,641,551,794,190,048
  5. Step 5: Solve for x
    x = 123,641,551,794,190,048/403,250,218.25
  6. Step 6: Final answer
    x = 306,612,485.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.