Home / 627,372,964.27-865,769,912.58-345,109,342.60

Finding the Fourth Proportional to 627,372,964.27, 865,769,912.58 and 345,109,342.60

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Solution

The fourth proportional to 627,372,964.27, 865,769,912.58 and 345,109,342.60 is: 476,248,264.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,372,964.27 : 865,769,912.58 = 345,109,342.60 : x
  2. Step 2: Convert to fraction form
    627,372,964.27/865,769,912.58 = 345,109,342.60/x
  3. Step 3: Cross multiply
    627,372,964.27x = 865,769,912.58 × 345,109,342.60
  4. Step 4: Simplify right side
    627,372,964.27x = 298,785,285,373,343,296
  5. Step 5: Solve for x
    x = 298,785,285,373,343,296/627,372,964.27
  6. Step 6: Final answer
    x = 476,248,264.41

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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.