Home / 1,311,383,626.38-1,966,859,975.34-470,852,370.45

Finding the Fourth Proportional to 1,311,383,626.38, 1,966,859,975.34 and 470,852,370.45

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Solution

The fourth proportional to 1,311,383,626.38, 1,966,859,975.34 and 470,852,370.45 is: 706,201,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,383,626.38 : 1,966,859,975.34 = 470,852,370.45 : x
  2. Step 2: Convert to fraction form
    1,311,383,626.38/1,966,859,975.34 = 470,852,370.45/x
  3. Step 3: Cross multiply
    1,311,383,626.38x = 1,966,859,975.34 × 470,852,370.45
  4. Step 4: Simplify right side
    1,311,383,626.38x = 926,100,681,732,067,456
  5. Step 5: Solve for x
    x = 926,100,681,732,067,456/1,311,383,626.38
  6. Step 6: Final answer
    x = 706,201,193.23

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Double scale
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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.