Home / 54,834,235,438.52-82,256,988,892.37-18,978,933,832.62

Finding the Fourth Proportional to 54,834,235,438.52, 82,256,988,892.37 and 18,978,933,832.62

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Solution

The fourth proportional to 54,834,235,438.52, 82,256,988,892.37 and 18,978,933,832.62 is: 28,470,351,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,834,235,438.52 : 82,256,988,892.37 = 18,978,933,832.62 : x
  2. Step 2: Convert to fraction form
    54,834,235,438.52/82,256,988,892.37 = 18,978,933,832.62/x
  3. Step 3: Cross multiply
    54,834,235,438.52x = 82,256,988,892.37 × 18,978,933,832.62
  4. Step 4: Simplify right side
    54,834,235,438.52x = 1,561,149,949,458,848,415,744
  5. Step 5: Solve for x
    x = 1,561,149,949,458,848,415,744/54,834,235,438.52
  6. Step 6: Final answer
    x = 28,470,351,359.40

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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.