Home / 627,372,631.64-865,769,453.84-345,109,009.97

Finding the Fourth Proportional to 627,372,631.64, 865,769,453.84 and 345,109,009.97

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Solution

The fourth proportional to 627,372,631.64, 865,769,453.84 and 345,109,009.97 is: 476,247,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,372,631.64 : 865,769,453.84 = 345,109,009.97 : x
  2. Step 2: Convert to fraction form
    627,372,631.64/865,769,453.84 = 345,109,009.97/x
  3. Step 3: Cross multiply
    627,372,631.64x = 865,769,453.84 × 345,109,009.97
  4. Step 4: Simplify right side
    627,372,631.64x = 298,784,839,075,264,512
  5. Step 5: Solve for x
    x = 298,784,839,075,264,512/627,372,631.64
  6. Step 6: Final answer
    x = 476,247,805.54

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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.