Home / 11,211,349,734.92-15,464,372,578.38-7,190,651,472.47

Finding the Fourth Proportional to 11,211,349,734.92, 15,464,372,578.38 and 7,190,651,472.47

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Solution

The fourth proportional to 11,211,349,734.92, 15,464,372,578.38 and 7,190,651,472.47 is: 9,918,423,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211,349,734.92 : 15,464,372,578.38 = 7,190,651,472.47 : x
  2. Step 2: Convert to fraction form
    11,211,349,734.92/15,464,372,578.38 = 7,190,651,472.47/x
  3. Step 3: Cross multiply
    11,211,349,734.92x = 15,464,372,578.38 × 7,190,651,472.47
  4. Step 4: Simplify right side
    11,211,349,734.92x = 111,198,913,451,534,270,464
  5. Step 5: Solve for x
    x = 111,198,913,451,534,270,464/11,211,349,734.92
  6. Step 6: Final answer
    x = 9,918,423,390.64

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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.