Home / 666,251,640,160-919,427,263,420.88-381,110,160,256

Finding the Fourth Proportional to 666,251,640,160, 919,427,263,420.88 and 381,110,160,256

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Solution

The fourth proportional to 666,251,640,160, 919,427,263,420.88 and 381,110,160,256 is: 525,932,021,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,160 : 919,427,263,420.88 = 381,110,160,256 : x
  2. Step 2: Convert to fraction form
    666,251,640,160/919,427,263,420.88 = 381,110,160,256/x
  3. Step 3: Cross multiply
    666,251,640,160x = 919,427,263,420.88 × 381,110,160,256
  4. Step 4: Simplify right side
    666,251,640,160x = 350,403,071,706,067,118,325,760
  5. Step 5: Solve for x
    x = 350,403,071,706,067,118,325,760/666,251,640,160
  6. Step 6: Final answer
    x = 525,932,021,153.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.