Home / 1,229,043,500.38-1,696,234,965.92-806,012,921.44

Finding the Fourth Proportional to 1,229,043,500.38, 1,696,234,965.92 and 806,012,921.44

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Solution

The fourth proportional to 1,229,043,500.38, 1,696,234,965.92 and 806,012,921.44 is: 1,112,399,439.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,043,500.38 : 1,696,234,965.92 = 806,012,921.44 : x
  2. Step 2: Convert to fraction form
    1,229,043,500.38/1,696,234,965.92 = 806,012,921.44/x
  3. Step 3: Cross multiply
    1,229,043,500.38x = 1,696,234,965.92 × 806,012,921.44
  4. Step 4: Simplify right side
    1,229,043,500.38x = 1,367,187,300,329,858,304
  5. Step 5: Solve for x
    x = 1,367,187,300,329,858,304/1,229,043,500.38
  6. Step 6: Final answer
    x = 1,112,399,439.00

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Double scale
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1.5x scale

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.