Home / 20,261,356,890.64-27,960,675,160.44-11,229,698,097.28

Finding the Fourth Proportional to 20,261,356,890.64, 27,960,675,160.44 and 11,229,698,097.28

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Solution

The fourth proportional to 20,261,356,890.64, 27,960,675,160.44 and 11,229,698,097.28 is: 15,496,984,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,356,890.64 : 27,960,675,160.44 = 11,229,698,097.28 : x
  2. Step 2: Convert to fraction form
    20,261,356,890.64/27,960,675,160.44 = 11,229,698,097.28/x
  3. Step 3: Cross multiply
    20,261,356,890.64x = 27,960,675,160.44 × 11,229,698,097.28
  4. Step 4: Simplify right side
    20,261,356,890.64x = 313,989,940,647,857,225,728
  5. Step 5: Solve for x
    x = 313,989,940,647,857,225,728/20,261,356,890.64
  6. Step 6: Final answer
    x = 15,496,984,843.74

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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.