Home / 1,227,634,771.44-1,840,211,078.37-528,582,791.28

Finding the Fourth Proportional to 1,227,634,771.44, 1,840,211,078.37 and 528,582,791.28

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Solution

The fourth proportional to 1,227,634,771.44, 1,840,211,078.37 and 528,582,791.28 is: 792,339,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,634,771.44 : 1,840,211,078.37 = 528,582,791.28 : x
  2. Step 2: Convert to fraction form
    1,227,634,771.44/1,840,211,078.37 = 528,582,791.28/x
  3. Step 3: Cross multiply
    1,227,634,771.44x = 1,840,211,078.37 × 528,582,791.28
  4. Step 4: Simplify right side
    1,227,634,771.44x = 972,703,908,349,193,344
  5. Step 5: Solve for x
    x = 972,703,908,349,193,344/1,227,634,771.44
  6. Step 6: Final answer
    x = 792,339,815.54

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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.