Home / 269,415,986.55-404,123,979.83-211,302,913.20

Finding the Fourth Proportional to 269,415,986.55, 404,123,979.83 and 211,302,913.20

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Solution

The fourth proportional to 269,415,986.55, 404,123,979.83 and 211,302,913.20 is: 316,954,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,415,986.55 : 404,123,979.83 = 211,302,913.20 : x
  2. Step 2: Convert to fraction form
    269,415,986.55/404,123,979.83 = 211,302,913.20/x
  3. Step 3: Cross multiply
    269,415,986.55x = 404,123,979.83 × 211,302,913.20
  4. Step 4: Simplify right side
    269,415,986.55x = 85,392,574,232,057,040
  5. Step 5: Solve for x
    x = 85,392,574,232,057,040/269,415,986.55
  6. Step 6: Final answer
    x = 316,954,369.80

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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.