Home / 1,239,893,080.68-1,711,052,544.89-682,976,127.75

Finding the Fourth Proportional to 1,239,893,080.68, 1,711,052,544.89 and 682,976,127.75

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Solution

The fourth proportional to 1,239,893,080.68, 1,711,052,544.89 and 682,976,127.75 is: 942,507,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,893,080.68 : 1,711,052,544.89 = 682,976,127.75 : x
  2. Step 2: Convert to fraction form
    1,239,893,080.68/1,711,052,544.89 = 682,976,127.75/x
  3. Step 3: Cross multiply
    1,239,893,080.68x = 1,711,052,544.89 × 682,976,127.75
  4. Step 4: Simplify right side
    1,239,893,080.68x = 1,168,608,041,481,046,272
  5. Step 5: Solve for x
    x = 1,168,608,041,481,046,272/1,239,893,080.68
  6. Step 6: Final answer
    x = 942,507,107.82

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Double scale
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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.