Home / 1,229,043,499.38-1,696,234,964.54-806,012,920.44

Finding the Fourth Proportional to 1,229,043,499.38, 1,696,234,964.54 and 806,012,920.44

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Solution

The fourth proportional to 1,229,043,499.38, 1,696,234,964.54 and 806,012,920.44 is: 1,112,399,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,043,499.38 : 1,696,234,964.54 = 806,012,920.44 : x
  2. Step 2: Convert to fraction form
    1,229,043,499.38/1,696,234,964.54 = 806,012,920.44/x
  3. Step 3: Cross multiply
    1,229,043,499.38x = 1,696,234,964.54 × 806,012,920.44
  4. Step 4: Simplify right side
    1,229,043,499.38x = 1,367,187,297,517,295,360
  5. Step 5: Solve for x
    x = 1,367,187,297,517,295,360/1,229,043,499.38
  6. Step 6: Final answer
    x = 1,112,399,437.62

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Double scale
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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.