Home / 7,028,691,168.14-9,699,567,203.76-3,856,928,162.84

Finding the Fourth Proportional to 7,028,691,168.14, 9,699,567,203.76 and 3,856,928,162.84

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Solution

The fourth proportional to 7,028,691,168.14, 9,699,567,203.76 and 3,856,928,162.84 is: 5,322,546,263.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,691,168.14 : 9,699,567,203.76 = 3,856,928,162.84 : x
  2. Step 2: Convert to fraction form
    7,028,691,168.14/9,699,567,203.76 = 3,856,928,162.84/x
  3. Step 3: Cross multiply
    7,028,691,168.14x = 9,699,567,203.76 × 3,856,928,162.84
  4. Step 4: Simplify right side
    7,028,691,168.14x = 37,410,533,915,541,176,320
  5. Step 5: Solve for x
    x = 37,410,533,915,541,176,320/7,028,691,168.14
  6. Step 6: Final answer
    x = 5,322,546,263.68

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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.