Home / 851,576,742.72-1,277,356,598.45-269,311,087.44

Finding the Fourth Proportional to 851,576,742.72, 1,277,356,598.45 and 269,311,087.44

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Solution

The fourth proportional to 851,576,742.72, 1,277,356,598.45 and 269,311,087.44 is: 403,963,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,576,742.72 : 1,277,356,598.45 = 269,311,087.44 : x
  2. Step 2: Convert to fraction form
    851,576,742.72/1,277,356,598.45 = 269,311,087.44/x
  3. Step 3: Cross multiply
    851,576,742.72x = 1,277,356,598.45 × 269,311,087.44
  4. Step 4: Simplify right side
    851,576,742.72x = 344,006,294,576,905,792
  5. Step 5: Solve for x
    x = 344,006,294,576,905,792/851,576,742.72
  6. Step 6: Final answer
    x = 403,963,938.09

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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.