Home / 276,768,514,975.54-415,110,825,723.04-75,325,947,709.78

Finding the Fourth Proportional to 276,768,514,975.54, 415,110,825,723.04 and 75,325,947,709.78

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Solution

The fourth proportional to 276,768,514,975.54, 415,110,825,723.04 and 75,325,947,709.78 is: 112,977,505,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,768,514,975.54 : 415,110,825,723.04 = 75,325,947,709.78 : x
  2. Step 2: Convert to fraction form
    276,768,514,975.54/415,110,825,723.04 = 75,325,947,709.78/x
  3. Step 3: Cross multiply
    276,768,514,975.54x = 415,110,825,723.04 × 75,325,947,709.78
  4. Step 4: Simplify right side
    276,768,514,975.54x = 31,268,616,352,177,307,254,784
  5. Step 5: Solve for x
    x = 31,268,616,352,177,307,254,784/276,768,514,975.54
  6. Step 6: Final answer
    x = 112,977,505,244.56

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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.