Home / 1,311,383,627.38-1,966,859,976.84-470,852,371.45

Finding the Fourth Proportional to 1,311,383,627.38, 1,966,859,976.84 and 470,852,371.45

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Solution

The fourth proportional to 1,311,383,627.38, 1,966,859,976.84 and 470,852,371.45 is: 706,201,194.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,627.38 : 1,966,859,976.84 = 470,852,371.45 : x
  2. Step 2: Convert to fraction form
    1,311,383,627.38/1,966,859,976.84 = 470,852,371.45/x
  3. Step 3: Cross multiply
    1,311,383,627.38x = 1,966,859,976.84 × 470,852,371.45
  4. Step 4: Simplify right side
    1,311,383,627.38x = 926,100,684,405,206,016
  5. Step 5: Solve for x
    x = 926,100,684,405,206,016/1,311,383,627.38
  6. Step 6: Final answer
    x = 706,201,194.73

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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.