Home / 13,196,728,161.92-18,211,356,824.88-7,175,233,481.60

Finding the Fourth Proportional to 13,196,728,161.92, 18,211,356,824.88 and 7,175,233,481.60

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Solution

The fourth proportional to 13,196,728,161.92, 18,211,356,824.88 and 7,175,233,481.60 is: 9,901,752,588.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,728,161.92 : 18,211,356,824.88 = 7,175,233,481.60 : x
  2. Step 2: Convert to fraction form
    13,196,728,161.92/18,211,356,824.88 = 7,175,233,481.60/x
  3. Step 3: Cross multiply
    13,196,728,161.92x = 18,211,356,824.88 × 7,175,233,481.60
  4. Step 4: Simplify right side
    13,196,728,161.92x = 130,670,737,235,243,663,360
  5. Step 5: Solve for x
    x = 130,670,737,235,243,663,360/13,196,728,161.92
  6. Step 6: Final answer
    x = 9,901,752,588.37

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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.