Home / 769,738,977.56-1,154,715,789.80-237,993,816.96

Finding the Fourth Proportional to 769,738,977.56, 1,154,715,789.80 and 237,993,816.96

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Solution

The fourth proportional to 769,738,977.56, 1,154,715,789.80 and 237,993,816.96 is: 357,023,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,738,977.56 : 1,154,715,789.80 = 237,993,816.96 : x
  2. Step 2: Convert to fraction form
    769,738,977.56/1,154,715,789.80 = 237,993,816.96/x
  3. Step 3: Cross multiply
    769,738,977.56x = 1,154,715,789.80 × 237,993,816.96
  4. Step 4: Simplify right side
    769,738,977.56x = 274,815,218,318,483,040
  5. Step 5: Solve for x
    x = 274,815,218,318,483,040/769,738,977.56
  6. Step 6: Final answer
    x = 357,023,908.53

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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.