Home / 504,455,275.20-756,682,912.80-140,949,631.20

Finding the Fourth Proportional to 504,455,275.20, 756,682,912.80 and 140,949,631.20

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Solution

The fourth proportional to 504,455,275.20, 756,682,912.80 and 140,949,631.20 is: 211,424,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,455,275.20 : 756,682,912.80 = 140,949,631.20 : x
  2. Step 2: Convert to fraction form
    504,455,275.20/756,682,912.80 = 140,949,631.20/x
  3. Step 3: Cross multiply
    504,455,275.20x = 756,682,912.80 × 140,949,631.20
  4. Step 4: Simplify right side
    504,455,275.20x = 106,654,177,494,501,744
  5. Step 5: Solve for x
    x = 106,654,177,494,501,744/504,455,275.20
  6. Step 6: Final answer
    x = 211,424,446.80

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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.