Home / 28,530,665,251.49-42,758,769,190.28-15,939,015,083.34

Finding the Fourth Proportional to 28,530,665,251.49, 42,758,769,190.28 and 15,939,015,083.34

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Solution

The fourth proportional to 28,530,665,251.49, 42,758,769,190.28 and 15,939,015,083.34 is: 23,887,724,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,251.49 : 42,758,769,190.28 = 15,939,015,083.34 : x
  2. Step 2: Convert to fraction form
    28,530,665,251.49/42,758,769,190.28 = 15,939,015,083.34/x
  3. Step 3: Cross multiply
    28,530,665,251.49x = 42,758,769,190.28 × 15,939,015,083.34
  4. Step 4: Simplify right side
    28,530,665,251.49x = 681,532,667,068,846,964,736
  5. Step 5: Solve for x
    x = 681,532,667,068,846,964,736/28,530,665,251.49
  6. Step 6: Final answer
    x = 23,887,724,350.67

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1.5x scale

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.