Home / 1,127,606,600.78-1,691,474,538.61-298,538,700.06

Finding the Fourth Proportional to 1,127,606,600.78, 1,691,474,538.61 and 298,538,700.06

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Solution

The fourth proportional to 1,127,606,600.78, 1,691,474,538.61 and 298,538,700.06 is: 447,825,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,606,600.78 : 1,691,474,538.61 = 298,538,700.06 : x
  2. Step 2: Convert to fraction form
    1,127,606,600.78/1,691,474,538.61 = 298,538,700.06/x
  3. Step 3: Cross multiply
    1,127,606,600.78x = 1,691,474,538.61 × 298,538,700.06
  4. Step 4: Simplify right side
    1,127,606,600.78x = 504,970,609,947,902,080
  5. Step 5: Solve for x
    x = 504,970,609,947,902,080/1,127,606,600.78
  6. Step 6: Final answer
    x = 447,825,163.14

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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.