Home / 908,469,131.52-1,362,654,708.48-520,049,533.44

Finding the Fourth Proportional to 908,469,131.52, 1,362,654,708.48 and 520,049,533.44

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Solution

The fourth proportional to 908,469,131.52, 1,362,654,708.48 and 520,049,533.44 is: 780,046,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,469,131.52 : 1,362,654,708.48 = 520,049,533.44 : x
  2. Step 2: Convert to fraction form
    908,469,131.52/1,362,654,708.48 = 520,049,533.44/x
  3. Step 3: Cross multiply
    908,469,131.52x = 1,362,654,708.48 × 520,049,533.44
  4. Step 4: Simplify right side
    908,469,131.52x = 708,647,945,384,843,264
  5. Step 5: Solve for x
    x = 708,647,945,384,843,264/908,469,131.52
  6. Step 6: Final answer
    x = 780,046,256.72

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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.