Home / 759,125,745.28-1,138,738,581.55-198,901,292.16

Finding the Fourth Proportional to 759,125,745.28, 1,138,738,581.55 and 198,901,292.16

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Solution

The fourth proportional to 759,125,745.28, 1,138,738,581.55 and 198,901,292.16 is: 298,365,029.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,125,745.28 : 1,138,738,581.55 = 198,901,292.16 : x
  2. Step 2: Convert to fraction form
    759,125,745.28/1,138,738,581.55 = 198,901,292.16/x
  3. Step 3: Cross multiply
    759,125,745.28x = 1,138,738,581.55 × 198,901,292.16
  4. Step 4: Simplify right side
    759,125,745.28x = 226,496,575,302,740,512
  5. Step 5: Solve for x
    x = 226,496,575,302,740,512/759,125,745.28
  6. Step 6: Final answer
    x = 298,365,029.39

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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.