Home / 1,967,489,969.62-2,951,751,831.54-707,081,342.12

Finding the Fourth Proportional to 1,967,489,969.62, 2,951,751,831.54 and 707,081,342.12

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Solution

The fourth proportional to 1,967,489,969.62, 2,951,751,831.54 and 707,081,342.12 is: 1,060,807,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,489,969.62 : 2,951,751,831.54 = 707,081,342.12 : x
  2. Step 2: Convert to fraction form
    1,967,489,969.62/2,951,751,831.54 = 707,081,342.12/x
  3. Step 3: Cross multiply
    1,967,489,969.62x = 2,951,751,831.54 × 707,081,342.12
  4. Step 4: Simplify right side
    1,967,489,969.62x = 2,087,128,646,650,471,424
  5. Step 5: Solve for x
    x = 2,087,128,646,650,471,424/1,967,489,969.62
  6. Step 6: Final answer
    x = 1,060,807,769.74

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Why These Related Problems?

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