Home / 627,372,965.27-865,769,913.96-345,109,343.60

Finding the Fourth Proportional to 627,372,965.27, 865,769,913.96 and 345,109,343.60

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Solution

The fourth proportional to 627,372,965.27, 865,769,913.96 and 345,109,343.60 is: 476,248,265.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,372,965.27 : 865,769,913.96 = 345,109,343.60 : x
  2. Step 2: Convert to fraction form
    627,372,965.27/865,769,913.96 = 345,109,343.60/x
  3. Step 3: Cross multiply
    627,372,965.27x = 865,769,913.96 × 345,109,343.60
  4. Step 4: Simplify right side
    627,372,965.27x = 298,785,286,715,364,096
  5. Step 5: Solve for x
    x = 298,785,286,715,364,096/627,372,965.27
  6. Step 6: Final answer
    x = 476,248,265.79

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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.