Home / 7,210,958,857.82-9,951,181,652.44-3,995,922,551.16

Finding the Fourth Proportional to 7,210,958,857.82, 9,951,181,652.44 and 3,995,922,551.16

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Solution

The fourth proportional to 7,210,958,857.82, 9,951,181,652.44 and 3,995,922,551.16 is: 5,514,405,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,857.82 : 9,951,181,652.44 = 3,995,922,551.16 : x
  2. Step 2: Convert to fraction form
    7,210,958,857.82/9,951,181,652.44 = 3,995,922,551.16/x
  3. Step 3: Cross multiply
    7,210,958,857.82x = 9,951,181,652.44 × 3,995,922,551.16
  4. Step 4: Simplify right side
    7,210,958,857.82x = 39,764,151,175,674,626,048
  5. Step 5: Solve for x
    x = 39,764,151,175,674,626,048/7,210,958,857.82
  6. Step 6: Final answer
    x = 5,514,405,498.59

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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.