Home / 1,942,067,999.70-2,913,101,999.55-1,928,463,110.10

Finding the Fourth Proportional to 1,942,067,999.70, 2,913,101,999.55 and 1,928,463,110.10

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Solution

The fourth proportional to 1,942,067,999.70, 2,913,101,999.55 and 1,928,463,110.10 is: 2,892,694,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,067,999.70 : 2,913,101,999.55 = 1,928,463,110.10 : x
  2. Step 2: Convert to fraction form
    1,942,067,999.70/2,913,101,999.55 = 1,928,463,110.10/x
  3. Step 3: Cross multiply
    1,942,067,999.70x = 2,913,101,999.55 × 1,928,463,110.10
  4. Step 4: Simplify right side
    1,942,067,999.70x = 5,617,809,742,090,722,304
  5. Step 5: Solve for x
    x = 5,617,809,742,090,722,304/1,942,067,999.70
  6. Step 6: Final answer
    x = 2,892,694,665.15

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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.