Home / 21,608,469,794.25-29,819,688,316.07-11,718,890,786.25

Finding the Fourth Proportional to 21,608,469,794.25, 29,819,688,316.07 and 11,718,890,786.25

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Solution

The fourth proportional to 21,608,469,794.25, 29,819,688,316.07 and 11,718,890,786.25 is: 16,172,069,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,469,794.25 : 29,819,688,316.07 = 11,718,890,786.25 : x
  2. Step 2: Convert to fraction form
    21,608,469,794.25/29,819,688,316.07 = 11,718,890,786.25/x
  3. Step 3: Cross multiply
    21,608,469,794.25x = 29,819,688,316.07 × 11,718,890,786.25
  4. Step 4: Simplify right side
    21,608,469,794.25x = 349,453,670,655,980,863,488
  5. Step 5: Solve for x
    x = 349,453,670,655,980,863,488/21,608,469,794.25
  6. Step 6: Final answer
    x = 16,172,069,285.03

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Double scale
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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.