Home / 1,969,105,985.92-2,718,202,961.28-1,226,916,742.96

Finding the Fourth Proportional to 1,969,105,985.92, 2,718,202,961.28 and 1,226,916,742.96

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Solution

The fourth proportional to 1,969,105,985.92, 2,718,202,961.28 and 1,226,916,742.96 is: 1,693,666,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,105,985.92 : 2,718,202,961.28 = 1,226,916,742.96 : x
  2. Step 2: Convert to fraction form
    1,969,105,985.92/2,718,202,961.28 = 1,226,916,742.96/x
  3. Step 3: Cross multiply
    1,969,105,985.92x = 2,718,202,961.28 × 1,226,916,742.96
  4. Step 4: Simplify right side
    1,969,105,985.92x = 3,335,008,723,957,884,928
  5. Step 5: Solve for x
    x = 3,335,008,723,957,884,928/1,969,105,985.92
  6. Step 6: Final answer
    x = 1,693,666,439.39

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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.