Home / 288,099,399.36-432,148,452.48-222,615,764.16

Finding the Fourth Proportional to 288,099,399.36, 432,148,452.48 and 222,615,764.16

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Solution

The fourth proportional to 288,099,399.36, 432,148,452.48 and 222,615,764.16 is: 333,923,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,099,399.36 : 432,148,452.48 = 222,615,764.16 : x
  2. Step 2: Convert to fraction form
    288,099,399.36/432,148,452.48 = 222,615,764.16/x
  3. Step 3: Cross multiply
    288,099,399.36x = 432,148,452.48 × 222,615,764.16
  4. Step 4: Simplify right side
    288,099,399.36x = 96,203,057,979,396,656
  5. Step 5: Solve for x
    x = 96,203,057,979,396,656/288,099,399.36
  6. Step 6: Final answer
    x = 333,923,146.64

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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.