Home / 8,642,394,391.52-11,919,900,814.83-7,438,751,461.44

Finding the Fourth Proportional to 8,642,394,391.52, 11,919,900,814.83 and 7,438,751,461.44

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Solution

The fourth proportional to 8,642,394,391.52, 11,919,900,814.83 and 7,438,751,461.44 is: 10,259,793,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,394,391.52 : 11,919,900,814.83 = 7,438,751,461.44 : x
  2. Step 2: Convert to fraction form
    8,642,394,391.52/11,919,900,814.83 = 7,438,751,461.44/x
  3. Step 3: Cross multiply
    8,642,394,391.52x = 11,919,900,814.83 × 7,438,751,461.44
  4. Step 4: Simplify right side
    8,642,394,391.52x = 88,669,179,606,536,503,296
  5. Step 5: Solve for x
    x = 88,669,179,606,536,503,296/8,642,394,391.52
  6. Step 6: Final answer
    x = 10,259,793,245.90

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1.5x scale

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.