Home / 39,167,863,579.82-58,763,322,320.87-12,637,882,449.38

Finding the Fourth Proportional to 39,167,863,579.82, 58,763,322,320.87 and 12,637,882,449.38

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Solution

The fourth proportional to 39,167,863,579.82, 58,763,322,320.87 and 12,637,882,449.38 is: 18,960,542,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,167,863,579.82 : 58,763,322,320.87 = 12,637,882,449.38 : x
  2. Step 2: Convert to fraction form
    39,167,863,579.82/58,763,322,320.87 = 12,637,882,449.38/x
  3. Step 3: Cross multiply
    39,167,863,579.82x = 58,763,322,320.87 × 12,637,882,449.38
  4. Step 4: Simplify right side
    39,167,863,579.82x = 742,643,959,826,351,128,576
  5. Step 5: Solve for x
    x = 742,643,959,826,351,128,576/39,167,863,579.82
  6. Step 6: Final answer
    x = 18,960,542,954.12

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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.