Home / 4,138,979,428.10-6,208,469,142.15-3,894,091,415.30

Finding the Fourth Proportional to 4,138,979,428.10, 6,208,469,142.15 and 3,894,091,415.30

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Solution

The fourth proportional to 4,138,979,428.10, 6,208,469,142.15 and 3,894,091,415.30 is: 5,841,137,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138,979,428.10 : 6,208,469,142.15 = 3,894,091,415.30 : x
  2. Step 2: Convert to fraction form
    4,138,979,428.10/6,208,469,142.15 = 3,894,091,415.30/x
  3. Step 3: Cross multiply
    4,138,979,428.10x = 6,208,469,142.15 × 3,894,091,415.30
  4. Step 4: Simplify right side
    4,138,979,428.10x = 24,176,346,388,601,270,272
  5. Step 5: Solve for x
    x = 24,176,346,388,601,270,272/4,138,979,428.10
  6. Step 6: Final answer
    x = 5,841,137,122.95

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Double scale
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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.