Home / 1,011,802,251.92-1,396,179,612.48-559,608,362.64

Finding the Fourth Proportional to 1,011,802,251.92, 1,396,179,612.48 and 559,608,362.64

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Solution

The fourth proportional to 1,011,802,251.92, 1,396,179,612.48 and 559,608,362.64 is: 772,200,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,802,251.92 : 1,396,179,612.48 = 559,608,362.64 : x
  2. Step 2: Convert to fraction form
    1,011,802,251.92/1,396,179,612.48 = 559,608,362.64/x
  3. Step 3: Cross multiply
    1,011,802,251.92x = 1,396,179,612.48 × 559,608,362.64
  4. Step 4: Simplify right side
    1,011,802,251.92x = 781,313,786,891,282,560
  5. Step 5: Solve for x
    x = 781,313,786,891,282,560/1,011,802,251.92
  6. Step 6: Final answer
    x = 772,200,086.93

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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.