Home / 2,638,795,506.48-3,641,581,463.58-1,449,474,375.96

Finding the Fourth Proportional to 2,638,795,506.48, 3,641,581,463.58 and 1,449,474,375.96

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Solution

The fourth proportional to 2,638,795,506.48, 3,641,581,463.58 and 1,449,474,375.96 is: 2,000,298,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,795,506.48 : 3,641,581,463.58 = 1,449,474,375.96 : x
  2. Step 2: Convert to fraction form
    2,638,795,506.48/3,641,581,463.58 = 1,449,474,375.96/x
  3. Step 3: Cross multiply
    2,638,795,506.48x = 3,641,581,463.58 × 1,449,474,375.96
  4. Step 4: Simplify right side
    2,638,795,506.48x = 5,278,379,019,430,123,520
  5. Step 5: Solve for x
    x = 5,278,379,019,430,123,520/2,638,795,506.48
  6. Step 6: Final answer
    x = 2,000,298,623.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.