Home / 853,135,708,785.05-1,279,567,340,437-248,619,511,255.61

Finding the Fourth Proportional to 853,135,708,785.05, 1,279,567,340,437 and 248,619,511,255.61

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Solution

The fourth proportional to 853,135,708,785.05, 1,279,567,340,437 and 248,619,511,255.61 is: 372,889,569,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,135,708,785.05 : 1,279,567,340,437 = 248,619,511,255.61 : x
  2. Step 2: Convert to fraction form
    853,135,708,785.05/1,279,567,340,437 = 248,619,511,255.61/x
  3. Step 3: Cross multiply
    853,135,708,785.05x = 1,279,567,340,437 × 248,619,511,255.61
  4. Step 4: Simplify right side
    853,135,708,785.05x = 318,125,406,798,087,645,560,832
  5. Step 5: Solve for x
    x = 318,125,406,798,087,645,560,832/853,135,708,785.05
  6. Step 6: Final answer
    x = 372,889,569,059.45

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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.