Home / 5,161,138,862.85-7,741,753,097.58-1,667,544,709.23

Finding the Fourth Proportional to 5,161,138,862.85, 7,741,753,097.58 and 1,667,544,709.23

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Solution

The fourth proportional to 5,161,138,862.85, 7,741,753,097.58 and 1,667,544,709.23 is: 2,501,331,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161,138,862.85 : 7,741,753,097.58 = 1,667,544,709.23 : x
  2. Step 2: Convert to fraction form
    5,161,138,862.85/7,741,753,097.58 = 1,667,544,709.23/x
  3. Step 3: Cross multiply
    5,161,138,862.85x = 7,741,753,097.58 × 1,667,544,709.23
  4. Step 4: Simplify right side
    5,161,138,862.85x = 12,909,719,418,034,493,440
  5. Step 5: Solve for x
    x = 12,909,719,418,034,493,440/5,161,138,862.85
  6. Step 6: Final answer
    x = 2,501,331,539.63

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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.