Home / 7,210,958,856.82-9,951,181,651.06-3,995,922,550.16

Finding the Fourth Proportional to 7,210,958,856.82, 9,951,181,651.06 and 3,995,922,550.16

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Solution

The fourth proportional to 7,210,958,856.82, 9,951,181,651.06 and 3,995,922,550.16 is: 5,514,405,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,856.82 : 9,951,181,651.06 = 3,995,922,550.16 : x
  2. Step 2: Convert to fraction form
    7,210,958,856.82/9,951,181,651.06 = 3,995,922,550.16/x
  3. Step 3: Cross multiply
    7,210,958,856.82x = 9,951,181,651.06 × 3,995,922,550.16
  4. Step 4: Simplify right side
    7,210,958,856.82x = 39,764,151,160,224,555,008
  5. Step 5: Solve for x
    x = 39,764,151,160,224,555,008/7,210,958,856.82
  6. Step 6: Final answer
    x = 5,514,405,497.21

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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.