Home / 538,097,242,042.30-807,146,639,892.25-219,743,440,789.78

Finding the Fourth Proportional to 538,097,242,042.30, 807,146,639,892.25 and 219,743,440,789.78

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Solution

The fourth proportional to 538,097,242,042.30, 807,146,639,892.25 and 219,743,440,789.78 is: 329,615,478,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,242,042.30 : 807,146,639,892.25 = 219,743,440,789.78 : x
  2. Step 2: Convert to fraction form
    538,097,242,042.30/807,146,639,892.25 = 219,743,440,789.78/x
  3. Step 3: Cross multiply
    538,097,242,042.30x = 807,146,639,892.25 × 219,743,440,789.78
  4. Step 4: Simplify right side
    538,097,242,042.30x = 177,365,179,871,832,508,989,440
  5. Step 5: Solve for x
    x = 177,365,179,871,832,508,989,440/538,097,242,042.30
  6. Step 6: Final answer
    x = 329,615,478,419.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.