Home / 7,210,958,757.75-9,951,181,513.73-3,995,922,450.89

Finding the Fourth Proportional to 7,210,958,757.75, 9,951,181,513.73 and 3,995,922,450.89

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Solution

The fourth proportional to 7,210,958,757.75, 9,951,181,513.73 and 3,995,922,450.89 is: 5,514,405,359.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,757.75 : 9,951,181,513.73 = 3,995,922,450.89 : x
  2. Step 2: Convert to fraction form
    7,210,958,757.75/9,951,181,513.73 = 3,995,922,450.89/x
  3. Step 3: Cross multiply
    7,210,958,757.75x = 9,951,181,513.73 × 3,995,922,450.89
  4. Step 4: Simplify right side
    7,210,958,757.75x = 39,764,149,623,595,237,376
  5. Step 5: Solve for x
    x = 39,764,149,623,595,237,376/7,210,958,757.75
  6. Step 6: Final answer
    x = 5,514,405,359.88

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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.