Home / 384,274,743.03-576,447,549.21-125,491,319.55

Finding the Fourth Proportional to 384,274,743.03, 576,447,549.21 and 125,491,319.55

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Solution

The fourth proportional to 384,274,743.03, 576,447,549.21 and 125,491,319.55 is: 188,248,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,274,743.03 : 576,447,549.21 = 125,491,319.55 : x
  2. Step 2: Convert to fraction form
    384,274,743.03/576,447,549.21 = 125,491,319.55/x
  3. Step 3: Cross multiply
    384,274,743.03x = 576,447,549.21 × 125,491,319.55
  4. Step 4: Simplify right side
    384,274,743.03x = 72,339,163,601,726,464
  5. Step 5: Solve for x
    x = 72,339,163,601,726,464/384,274,743.03
  6. Step 6: Final answer
    x = 188,248,551.11

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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.