Home / 20,022,285,295.38-27,653,685,806.37-13,186,240,630.26

Finding the Fourth Proportional to 20,022,285,295.38, 27,653,685,806.37 and 13,186,240,630.26

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Solution

The fourth proportional to 20,022,285,295.38, 27,653,685,806.37 and 13,186,240,630.26 is: 18,212,114,650.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,285,295.38 : 27,653,685,806.37 = 13,186,240,630.26 : x
  2. Step 2: Convert to fraction form
    20,022,285,295.38/27,653,685,806.37 = 13,186,240,630.26/x
  3. Step 3: Cross multiply
    20,022,285,295.38x = 27,653,685,806.37 × 13,186,240,630.26
  4. Step 4: Simplify right side
    20,022,285,295.38x = 364,648,155,356,400,386,048
  5. Step 5: Solve for x
    x = 364,648,155,356,400,386,048/20,022,285,295.38
  6. Step 6: Final answer
    x = 18,212,114,650.10

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Double scale
Find fourth proportional to 20,022,285,296.38, 27,653,685,807.75 and 13,186,240,631.26
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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.