Home / 28,455,558,235.44-39,268,904,317.92-15,768,505,775.76

Finding the Fourth Proportional to 28,455,558,235.44, 39,268,904,317.92 and 15,768,505,775.76

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Solution

The fourth proportional to 28,455,558,235.44, 39,268,904,317.92 and 15,768,505,775.76 is: 21,760,667,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455,558,235.44 : 39,268,904,317.92 = 15,768,505,775.76 : x
  2. Step 2: Convert to fraction form
    28,455,558,235.44/39,268,904,317.92 = 15,768,505,775.76/x
  3. Step 3: Cross multiply
    28,455,558,235.44x = 39,268,904,317.92 × 15,768,505,775.76
  4. Step 4: Simplify right side
    28,455,558,235.44x = 619,211,944,544,888,291,328
  5. Step 5: Solve for x
    x = 619,211,944,544,888,291,328/28,455,558,235.44
  6. Step 6: Final answer
    x = 21,760,667,614.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.