Home / 314,929,408.70-472,394,113.05-269,012,906.30

Finding the Fourth Proportional to 314,929,408.70, 472,394,113.05 and 269,012,906.30

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Solution

The fourth proportional to 314,929,408.70, 472,394,113.05 and 269,012,906.30 is: 403,519,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,408.70 : 472,394,113.05 = 269,012,906.30 : x
  2. Step 2: Convert to fraction form
    314,929,408.70/472,394,113.05 = 269,012,906.30/x
  3. Step 3: Cross multiply
    314,929,408.70x = 472,394,113.05 × 269,012,906.30
  4. Step 4: Simplify right side
    314,929,408.70x = 127,080,113,270,591,264
  5. Step 5: Solve for x
    x = 127,080,113,270,591,264/314,929,408.70
  6. Step 6: Final answer
    x = 403,519,359.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.