Home / 395,748,261,359.53-546,102,629,015.55-222,099,863,665.60

Finding the Fourth Proportional to 395,748,261,359.53, 546,102,629,015.55 and 222,099,863,665.60

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Solution

The fourth proportional to 395,748,261,359.53, 546,102,629,015.55 and 222,099,863,665.60 is: 306,480,991,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,748,261,359.53 : 546,102,629,015.55 = 222,099,863,665.60 : x
  2. Step 2: Convert to fraction form
    395,748,261,359.53/546,102,629,015.55 = 222,099,863,665.60/x
  3. Step 3: Cross multiply
    395,748,261,359.53x = 546,102,629,015.55 × 222,099,863,665.60
  4. Step 4: Simplify right side
    395,748,261,359.53x = 121,289,319,451,779,391,291,392
  5. Step 5: Solve for x
    x = 121,289,319,451,779,391,291,392/395,748,261,359.53
  6. Step 6: Final answer
    x = 306,480,991,312.78

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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.