Home / 408,613,649.05-563,898,799.07-222,986,629.45

Finding the Fourth Proportional to 408,613,649.05, 563,898,799.07 and 222,986,629.45

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Solution

The fourth proportional to 408,613,649.05, 563,898,799.07 and 222,986,629.45 is: 307,728,077.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,613,649.05 : 563,898,799.07 = 222,986,629.45 : x
  2. Step 2: Convert to fraction form
    408,613,649.05/563,898,799.07 = 222,986,629.45/x
  3. Step 3: Cross multiply
    408,613,649.05x = 563,898,799.07 × 222,986,629.45
  4. Step 4: Simplify right side
    408,613,649.05x = 125,741,892,554,407,168
  5. Step 5: Solve for x
    x = 125,741,892,554,407,168/408,613,649.05
  6. Step 6: Final answer
    x = 307,728,077.24

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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.