Home / 7,210,958,755.75-9,951,181,510.97-3,995,922,448.89

Finding the Fourth Proportional to 7,210,958,755.75, 9,951,181,510.97 and 3,995,922,448.89

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Solution

The fourth proportional to 7,210,958,755.75, 9,951,181,510.97 and 3,995,922,448.89 is: 5,514,405,357.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,755.75 : 9,951,181,510.97 = 3,995,922,448.89 : x
  2. Step 2: Convert to fraction form
    7,210,958,755.75/9,951,181,510.97 = 3,995,922,448.89/x
  3. Step 3: Cross multiply
    7,210,958,755.75x = 9,951,181,510.97 × 3,995,922,448.89
  4. Step 4: Simplify right side
    7,210,958,755.75x = 39,764,149,592,674,123,776
  5. Step 5: Solve for x
    x = 39,764,149,592,674,123,776/7,210,958,755.75
  6. Step 6: Final answer
    x = 5,514,405,357.12

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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.