Home / 666,251,640,111.52-919,427,263,353.92-381,110,160,207.54

Finding the Fourth Proportional to 666,251,640,111.52, 919,427,263,353.92 and 381,110,160,207.54

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Solution

The fourth proportional to 666,251,640,111.52, 919,427,263,353.92 and 381,110,160,207.54 is: 525,932,021,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,111.52 : 919,427,263,353.92 = 381,110,160,207.54 : x
  2. Step 2: Convert to fraction form
    666,251,640,111.52/919,427,263,353.92 = 381,110,160,207.54/x
  3. Step 3: Cross multiply
    666,251,640,111.52x = 919,427,263,353.92 × 381,110,160,207.54
  4. Step 4: Simplify right side
    666,251,640,111.52x = 350,403,071,635,992,512,299,008
  5. Step 5: Solve for x
    x = 350,403,071,635,992,512,299,008/666,251,640,111.52
  6. Step 6: Final answer
    x = 525,932,021,086.42

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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.