Home / 792,033,791.20-1,189,184,427.60-447,660,023.20

Finding the Fourth Proportional to 792,033,791.20, 1,189,184,427.60 and 447,660,023.20

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Solution

The fourth proportional to 792,033,791.20, 1,189,184,427.60 and 447,660,023.20 is: 672,130,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,033,791.20 : 1,189,184,427.60 = 447,660,023.20 : x
  2. Step 2: Convert to fraction form
    792,033,791.20/1,189,184,427.60 = 447,660,023.20/x
  3. Step 3: Cross multiply
    792,033,791.20x = 1,189,184,427.60 × 447,660,023.20
  4. Step 4: Simplify right side
    792,033,791.20x = 532,350,328,448,494,656
  5. Step 5: Solve for x
    x = 532,350,328,448,494,656/792,033,791.20
  6. Step 6: Final answer
    x = 672,130,828.71

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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.