Home / 850,401,640,695.05-1,173,001,299,921.10-545,424,231,754.25

Finding the Fourth Proportional to 850,401,640,695.05, 1,173,001,299,921.10 and 545,424,231,754.25

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Solution

The fourth proportional to 850,401,640,695.05, 1,173,001,299,921.10 and 545,424,231,754.25 is: 752,330,783,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,401,640,695.05 : 1,173,001,299,921.10 = 545,424,231,754.25 : x
  2. Step 2: Convert to fraction form
    850,401,640,695.05/1,173,001,299,921.10 = 545,424,231,754.25/x
  3. Step 3: Cross multiply
    850,401,640,695.05x = 1,173,001,299,921.10 × 545,424,231,754.25
  4. Step 4: Simplify right side
    850,401,640,695.05x = 639,783,332,856,202,574,954,496
  5. Step 5: Solve for x
    x = 639,783,332,856,202,574,954,496/850,401,640,695.05
  6. Step 6: Final answer
    x = 752,330,783,761.54

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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.