Home / 666,251,640,146.94-919,427,263,402.76-381,110,160,242.86

Finding the Fourth Proportional to 666,251,640,146.94, 919,427,263,402.76 and 381,110,160,242.86

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Solution

The fourth proportional to 666,251,640,146.94, 919,427,263,402.76 and 381,110,160,242.86 is: 525,932,021,135.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,146.94 : 919,427,263,402.76 = 381,110,160,242.86 : x
  2. Step 2: Convert to fraction form
    666,251,640,146.94/919,427,263,402.76 = 381,110,160,242.86/x
  3. Step 3: Cross multiply
    666,251,640,146.94x = 919,427,263,402.76 × 381,110,160,242.86
  4. Step 4: Simplify right side
    666,251,640,146.94x = 350,403,071,687,080,074,543,104
  5. Step 5: Solve for x
    x = 350,403,071,687,080,074,543,104/666,251,640,146.94
  6. Step 6: Final answer
    x = 525,932,021,135.14

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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.