Home / 404,331,396.76-557,977,436.22-228,156,729.40

Finding the Fourth Proportional to 404,331,396.76, 557,977,436.22 and 228,156,729.40

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Solution

The fourth proportional to 404,331,396.76, 557,977,436.22 and 228,156,729.40 is: 314,856,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331,396.76 : 557,977,436.22 = 228,156,729.40 : x
  2. Step 2: Convert to fraction form
    404,331,396.76/557,977,436.22 = 228,156,729.40/x
  3. Step 3: Cross multiply
    404,331,396.76x = 557,977,436.22 × 228,156,729.40
  4. Step 4: Simplify right side
    404,331,396.76x = 127,306,306,926,952,304
  5. Step 5: Solve for x
    x = 127,306,306,926,952,304/404,331,396.76
  6. Step 6: Final answer
    x = 314,856,347.90

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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.