Home / 300,193,647.93-449,704,043.79-206,804,123.01

Finding the Fourth Proportional to 300,193,647.93, 449,704,043.79 and 206,804,123.01

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Solution

The fourth proportional to 300,193,647.93, 449,704,043.79 and 206,804,123.01 is: 309,802,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,193,647.93 : 449,704,043.79 = 206,804,123.01 : x
  2. Step 2: Convert to fraction form
    300,193,647.93/449,704,043.79 = 206,804,123.01/x
  3. Step 3: Cross multiply
    300,193,647.93x = 449,704,043.79 × 206,804,123.01
  4. Step 4: Simplify right side
    300,193,647.93x = 93,000,650,391,165,840
  5. Step 5: Solve for x
    x = 93,000,650,391,165,840/300,193,647.93
  6. Step 6: Final answer
    x = 309,802,192.79

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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.