Home / 356,291,601.60-491,694,513.60-339,965,734.08

Finding the Fourth Proportional to 356,291,601.60, 491,694,513.60 and 339,965,734.08

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Solution

The fourth proportional to 356,291,601.60, 491,694,513.60 and 339,965,734.08 is: 469,164,261.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,291,601.60 : 491,694,513.60 = 339,965,734.08 : x
  2. Step 2: Convert to fraction form
    356,291,601.60/491,694,513.60 = 339,965,734.08/x
  3. Step 3: Cross multiply
    356,291,601.60x = 491,694,513.60 × 339,965,734.08
  4. Step 4: Simplify right side
    356,291,601.60x = 167,159,286,259,132,544
  5. Step 5: Solve for x
    x = 167,159,286,259,132,544/356,291,601.60
  6. Step 6: Final answer
    x = 469,164,261.83

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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.