Home / 666,251,640,146.68-919,427,263,402.46-381,110,160,242.60

Finding the Fourth Proportional to 666,251,640,146.68, 919,427,263,402.46 and 381,110,160,242.60

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Solution

The fourth proportional to 666,251,640,146.68, 919,427,263,402.46 and 381,110,160,242.60 is: 525,932,021,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,146.68 : 919,427,263,402.46 = 381,110,160,242.60 : x
  2. Step 2: Convert to fraction form
    666,251,640,146.68/919,427,263,402.46 = 381,110,160,242.60/x
  3. Step 3: Cross multiply
    666,251,640,146.68x = 919,427,263,402.46 × 381,110,160,242.60
  4. Step 4: Simplify right side
    666,251,640,146.68x = 350,403,071,686,726,679,265,280
  5. Step 5: Solve for x
    x = 350,403,071,686,726,679,265,280/666,251,640,146.68
  6. Step 6: Final answer
    x = 525,932,021,134.81

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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.