Home / 276,768,515,043.40-415,110,825,824.96-75,325,947,777.80

Finding the Fourth Proportional to 276,768,515,043.40, 415,110,825,824.96 and 75,325,947,777.80

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Solution

The fourth proportional to 276,768,515,043.40, 415,110,825,824.96 and 75,325,947,777.80 is: 112,977,505,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,768,515,043.40 : 415,110,825,824.96 = 75,325,947,777.80 : x
  2. Step 2: Convert to fraction form
    276,768,515,043.40/415,110,825,824.96 = 75,325,947,777.80/x
  3. Step 3: Cross multiply
    276,768,515,043.40x = 415,110,825,824.96 × 75,325,947,777.80
  4. Step 4: Simplify right side
    276,768,515,043.40x = 31,268,616,388,090,372,554,752
  5. Step 5: Solve for x
    x = 31,268,616,388,090,372,554,752/276,768,515,043.40
  6. Step 6: Final answer
    x = 112,977,505,346.62

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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.