Home / 538,097,242,090.96-807,146,639,964.94-219,743,440,838.10

Finding the Fourth Proportional to 538,097,242,090.96, 807,146,639,964.94 and 219,743,440,838.10

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Solution

The fourth proportional to 538,097,242,090.96, 807,146,639,964.94 and 219,743,440,838.10 is: 329,615,478,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,097,242,090.96 : 807,146,639,964.94 = 219,743,440,838.10 : x
  2. Step 2: Convert to fraction form
    538,097,242,090.96/807,146,639,964.94 = 219,743,440,838.10/x
  3. Step 3: Cross multiply
    538,097,242,090.96x = 807,146,639,964.94 × 219,743,440,838.10
  4. Step 4: Simplify right side
    538,097,242,090.96x = 177,365,179,926,806,983,081,984
  5. Step 5: Solve for x
    x = 177,365,179,926,806,983,081,984/538,097,242,090.96
  6. Step 6: Final answer
    x = 329,615,478,491.57

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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.