Home / 759,125,771.55-1,138,738,620.92-198,901,318.39

Finding the Fourth Proportional to 759,125,771.55, 1,138,738,620.92 and 198,901,318.39

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Solution

The fourth proportional to 759,125,771.55, 1,138,738,620.92 and 198,901,318.39 is: 298,365,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,125,771.55 : 1,138,738,620.92 = 198,901,318.39 : x
  2. Step 2: Convert to fraction form
    759,125,771.55/1,138,738,620.92 = 198,901,318.39/x
  3. Step 3: Cross multiply
    759,125,771.55x = 1,138,738,620.92 × 198,901,318.39
  4. Step 4: Simplify right side
    759,125,771.55x = 226,496,613,002,598,432
  5. Step 5: Solve for x
    x = 226,496,613,002,598,432/759,125,771.55
  6. Step 6: Final answer
    x = 298,365,068.73

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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.