Home / 395,748,261,356.75-546,102,629,011.75-222,099,863,662.82

Finding the Fourth Proportional to 395,748,261,356.75, 546,102,629,011.75 and 222,099,863,662.82

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Solution

The fourth proportional to 395,748,261,356.75, 546,102,629,011.75 and 222,099,863,662.82 is: 306,480,991,308.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,748,261,356.75 : 546,102,629,011.75 = 222,099,863,662.82 : x
  2. Step 2: Convert to fraction form
    395,748,261,356.75/546,102,629,011.75 = 222,099,863,662.82/x
  3. Step 3: Cross multiply
    395,748,261,356.75x = 546,102,629,011.75 × 222,099,863,662.82
  4. Step 4: Simplify right side
    395,748,261,356.75x = 121,289,319,449,417,243,164,672
  5. Step 5: Solve for x
    x = 121,289,319,449,417,243,164,672/395,748,261,356.75
  6. Step 6: Final answer
    x = 306,480,991,308.97

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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.