Home / 666,251,640,174.90-919,427,263,441.20-381,110,160,270.81

Finding the Fourth Proportional to 666,251,640,174.90, 919,427,263,441.20 and 381,110,160,270.81

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Solution

The fourth proportional to 666,251,640,174.90, 919,427,263,441.20 and 381,110,160,270.81 is: 525,932,021,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,174.90 : 919,427,263,441.20 = 381,110,160,270.81 : x
  2. Step 2: Convert to fraction form
    666,251,640,174.90/919,427,263,441.20 = 381,110,160,270.81/x
  3. Step 3: Cross multiply
    666,251,640,174.90x = 919,427,263,441.20 × 381,110,160,270.81
  4. Step 4: Simplify right side
    666,251,640,174.90x = 350,403,071,727,427,936,845,824
  5. Step 5: Solve for x
    x = 350,403,071,727,427,936,845,824/666,251,640,174.90
  6. Step 6: Final answer
    x = 525,932,021,173.63

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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.