Home / 288,099,400.86-432,148,454.73-222,615,765.66

Finding the Fourth Proportional to 288,099,400.86, 432,148,454.73 and 222,615,765.66

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Solution

The fourth proportional to 288,099,400.86, 432,148,454.73 and 222,615,765.66 is: 333,923,148.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,099,400.86 : 432,148,454.73 = 222,615,765.66 : x
  2. Step 2: Convert to fraction form
    288,099,400.86/432,148,454.73 = 222,615,765.66/x
  3. Step 3: Cross multiply
    288,099,400.86x = 432,148,454.73 × 222,615,765.66
  4. Step 4: Simplify right side
    288,099,400.86x = 96,203,059,128,504,800
  5. Step 5: Solve for x
    x = 96,203,059,128,504,800/288,099,400.86
  6. Step 6: Final answer
    x = 333,923,148.89

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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.