Home / 1,320,795,127.07-1,981,140,982.36-447,396,494.22

Finding the Fourth Proportional to 1,320,795,127.07, 1,981,140,982.36 and 447,396,494.22

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Solution

The fourth proportional to 1,320,795,127.07, 1,981,140,982.36 and 447,396,494.22 is: 671,077,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,795,127.07 : 1,981,140,982.36 = 447,396,494.22 : x
  2. Step 2: Convert to fraction form
    1,320,795,127.07/1,981,140,982.36 = 447,396,494.22/x
  3. Step 3: Cross multiply
    1,320,795,127.07x = 1,981,140,982.36 × 447,396,494.22
  4. Step 4: Simplify right side
    1,320,795,127.07x = 886,355,530,051,288,192
  5. Step 5: Solve for x
    x = 886,355,530,051,288,192/1,320,795,127.07
  6. Step 6: Final answer
    x = 671,077,226.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.