Home / 8,642,394,391.02-11,919,900,814.14-7,438,751,460.94

Finding the Fourth Proportional to 8,642,394,391.02, 11,919,900,814.14 and 7,438,751,460.94

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Solution

The fourth proportional to 8,642,394,391.02, 11,919,900,814.14 and 7,438,751,460.94 is: 10,259,793,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,394,391.02 : 11,919,900,814.14 = 7,438,751,460.94 : x
  2. Step 2: Convert to fraction form
    8,642,394,391.02/11,919,900,814.14 = 7,438,751,460.94/x
  3. Step 3: Cross multiply
    8,642,394,391.02x = 11,919,900,814.14 × 7,438,751,460.94
  4. Step 4: Simplify right side
    8,642,394,391.02x = 88,669,179,595,431,903,232
  5. Step 5: Solve for x
    x = 88,669,179,595,431,903,232/8,642,394,391.02
  6. Step 6: Final answer
    x = 10,259,793,245.21

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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.