Home / 412,332,074,007.40-618,587,134,261.26-125,512,558,933.20

Finding the Fourth Proportional to 412,332,074,007.40, 618,587,134,261.26 and 125,512,558,933.20

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Solution

The fourth proportional to 412,332,074,007.40, 618,587,134,261.26 and 125,512,558,933.20 is: 188,295,936,791.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,332,074,007.40 : 618,587,134,261.26 = 125,512,558,933.20 : x
  2. Step 2: Convert to fraction form
    412,332,074,007.40/618,587,134,261.26 = 125,512,558,933.20/x
  3. Step 3: Cross multiply
    412,332,074,007.40x = 618,587,134,261.26 × 125,512,558,933.20
  4. Step 4: Simplify right side
    412,332,074,007.40x = 77,640,454,144,285,699,211,264
  5. Step 5: Solve for x
    x = 77,640,454,144,285,699,211,264/412,332,074,007.40
  6. Step 6: Final answer
    x = 188,295,936,791.21

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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.