Home / 798,098,930.82-1,101,366,121.41-445,681,114.38

Finding the Fourth Proportional to 798,098,930.82, 1,101,366,121.41 and 445,681,114.38

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Solution

The fourth proportional to 798,098,930.82, 1,101,366,121.41 and 445,681,114.38 is: 615,034,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,098,930.82 : 1,101,366,121.41 = 445,681,114.38 : x
  2. Step 2: Convert to fraction form
    798,098,930.82/1,101,366,121.41 = 445,681,114.38/x
  3. Step 3: Cross multiply
    798,098,930.82x = 1,101,366,121.41 × 445,681,114.38
  4. Step 4: Simplify right side
    798,098,930.82x = 490,858,080,330,387,200
  5. Step 5: Solve for x
    x = 490,858,080,330,387,200/798,098,930.82
  6. Step 6: Final answer
    x = 615,034,128.45

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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.