Home / 627,836,964.33-866,408,135.24-345,573,370.31

Finding the Fourth Proportional to 627,836,964.33, 866,408,135.24 and 345,573,370.31

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Solution

The fourth proportional to 627,836,964.33, 866,408,135.24 and 345,573,370.31 is: 476,887,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,836,964.33 : 866,408,135.24 = 345,573,370.31 : x
  2. Step 2: Convert to fraction form
    627,836,964.33/866,408,135.24 = 345,573,370.31/x
  3. Step 3: Cross multiply
    627,836,964.33x = 866,408,135.24 × 345,573,370.31
  4. Step 4: Simplify right side
    627,836,964.33x = 299,407,579,353,727,680
  5. Step 5: Solve for x
    x = 299,407,579,353,727,680/627,836,964.33
  6. Step 6: Final answer
    x = 476,887,466.59

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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.