Home / 79,238,317,861.33-109,349,745,713.67-43,109,555,677.09

Finding the Fourth Proportional to 79,238,317,861.33, 109,349,745,713.67 and 43,109,555,677.09

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Solution

The fourth proportional to 79,238,317,861.33, 109,349,745,713.67 and 43,109,555,677.09 is: 59,491,658,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238,317,861.33 : 109,349,745,713.67 = 43,109,555,677.09 : x
  2. Step 2: Convert to fraction form
    79,238,317,861.33/109,349,745,713.67 = 43,109,555,677.09/x
  3. Step 3: Cross multiply
    79,238,317,861.33x = 109,349,745,713.67 × 43,109,555,677.09
  4. Step 4: Simplify right side
    79,238,317,861.33x = 4,714,018,951,119,090,221,056
  5. Step 5: Solve for x
    x = 4,714,018,951,119,090,221,056/79,238,317,861.33
  6. Step 6: Final answer
    x = 59,491,658,560.56

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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.