Home / 28,530,665,231.36-42,758,769,160.22-15,939,015,063.24

Finding the Fourth Proportional to 28,530,665,231.36, 42,758,769,160.22 and 15,939,015,063.24

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Solution

The fourth proportional to 28,530,665,231.36, 42,758,769,160.22 and 15,939,015,063.24 is: 23,887,724,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,530,665,231.36 : 42,758,769,160.22 = 15,939,015,063.24 : x
  2. Step 2: Convert to fraction form
    28,530,665,231.36/42,758,769,160.22 = 15,939,015,063.24/x
  3. Step 3: Cross multiply
    28,530,665,231.36x = 42,758,769,160.22 × 15,939,015,063.24
  4. Step 4: Simplify right side
    28,530,665,231.36x = 681,532,665,730,439,839,744
  5. Step 5: Solve for x
    x = 681,532,665,730,439,839,744/28,530,665,231.36
  6. Step 6: Final answer
    x = 23,887,724,320.62

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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.