Home / 17,006,155,721.10-25,509,233,581.65-12,873,670,505.10

Finding the Fourth Proportional to 17,006,155,721.10, 25,509,233,581.65 and 12,873,670,505.10

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Solution

The fourth proportional to 17,006,155,721.10, 25,509,233,581.65 and 12,873,670,505.10 is: 19,310,505,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,006,155,721.10 : 25,509,233,581.65 = 12,873,670,505.10 : x
  2. Step 2: Convert to fraction form
    17,006,155,721.10/25,509,233,581.65 = 12,873,670,505.10/x
  3. Step 3: Cross multiply
    17,006,155,721.10x = 25,509,233,581.65 × 12,873,670,505.10
  4. Step 4: Simplify right side
    17,006,155,721.10x = 328,397,467,967,794,053,120
  5. Step 5: Solve for x
    x = 328,397,467,967,794,053,120/17,006,155,721.10
  6. Step 6: Final answer
    x = 19,310,505,757.65

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Double scale
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1.5x scale

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.