Home / 26,218,996,871.92-39,311,585,959.98-10,284,943,349.28

Finding the Fourth Proportional to 26,218,996,871.92, 39,311,585,959.98 and 10,284,943,349.28

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Solution

The fourth proportional to 26,218,996,871.92, 39,311,585,959.98 and 10,284,943,349.28 is: 15,420,781,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218,996,871.92 : 39,311,585,959.98 = 10,284,943,349.28 : x
  2. Step 2: Convert to fraction form
    26,218,996,871.92/39,311,585,959.98 = 10,284,943,349.28/x
  3. Step 3: Cross multiply
    26,218,996,871.92x = 39,311,585,959.98 × 10,284,943,349.28
  4. Step 4: Simplify right side
    26,218,996,871.92x = 404,317,434,568,745,418,752
  5. Step 5: Solve for x
    x = 404,317,434,568,745,418,752/26,218,996,871.92
  6. Step 6: Final answer
    x = 15,420,781,982.77

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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.