Home / 40,240,756,817.82-55,530,627,619.64-21,929,425,654.85

Finding the Fourth Proportional to 40,240,756,817.82, 55,530,627,619.64 and 21,929,425,654.85

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Solution

The fourth proportional to 40,240,756,817.82, 55,530,627,619.64 and 21,929,425,654.85 is: 30,261,726,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,240,756,817.82 : 55,530,627,619.64 = 21,929,425,654.85 : x
  2. Step 2: Convert to fraction form
    40,240,756,817.82/55,530,627,619.64 = 21,929,425,654.85/x
  3. Step 3: Cross multiply
    40,240,756,817.82x = 55,530,627,619.64 × 21,929,425,654.85
  4. Step 4: Simplify right side
    40,240,756,817.82x = 1,217,754,769,951,745,638,400
  5. Step 5: Solve for x
    x = 1,217,754,769,951,745,638,400/40,240,756,817.82
  6. Step 6: Final answer
    x = 30,261,726,325.50

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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.