Home / 269,415,984.80-404,123,977.20-211,302,911.45

Finding the Fourth Proportional to 269,415,984.80, 404,123,977.20 and 211,302,911.45

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Solution

The fourth proportional to 269,415,984.80, 404,123,977.20 and 211,302,911.45 is: 316,954,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,415,984.80 : 404,123,977.20 = 211,302,911.45 : x
  2. Step 2: Convert to fraction form
    269,415,984.80/404,123,977.20 = 211,302,911.45/x
  3. Step 3: Cross multiply
    269,415,984.80x = 404,123,977.20 × 211,302,911.45
  4. Step 4: Simplify right side
    269,415,984.80x = 85,392,572,969,113,408
  5. Step 5: Solve for x
    x = 85,392,572,969,113,408/269,415,984.80
  6. Step 6: Final answer
    x = 316,954,367.18

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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.