Home / 979,587,150.76-1,469,561,544.06-405,203,268.52

Finding the Fourth Proportional to 979,587,150.76, 1,469,561,544.06 and 405,203,268.52

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Solution

The fourth proportional to 979,587,150.76, 1,469,561,544.06 and 405,203,268.52 is: 607,879,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,587,150.76 : 1,469,561,544.06 = 405,203,268.52 : x
  2. Step 2: Convert to fraction form
    979,587,150.76/1,469,561,544.06 = 405,203,268.52/x
  3. Step 3: Cross multiply
    979,587,150.76x = 1,469,561,544.06 × 405,203,268.52
  4. Step 4: Simplify right side
    979,587,150.76x = 595,471,140,944,409,984
  5. Step 5: Solve for x
    x = 595,471,140,944,409,984/979,587,150.76
  6. Step 6: Final answer
    x = 607,879,697.57

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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.