Home / 276,768,515,041.40-415,110,825,821.94-75,325,947,775.80

Finding the Fourth Proportional to 276,768,515,041.40, 415,110,825,821.94 and 75,325,947,775.80

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Solution

The fourth proportional to 276,768,515,041.40, 415,110,825,821.94 and 75,325,947,775.80 is: 112,977,505,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,768,515,041.40 : 415,110,825,821.94 = 75,325,947,775.80 : x
  2. Step 2: Convert to fraction form
    276,768,515,041.40/415,110,825,821.94 = 75,325,947,775.80/x
  3. Step 3: Cross multiply
    276,768,515,041.40x = 415,110,825,821.94 × 75,325,947,775.80
  4. Step 4: Simplify right side
    276,768,515,041.40x = 31,268,616,387,032,665,554,944
  5. Step 5: Solve for x
    x = 31,268,616,387,032,665,554,944/276,768,515,041.40
  6. Step 6: Final answer
    x = 112,977,505,343.61

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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.