Home / 684,496,695-1,026,743,445.72-449,628,757.74

Finding the Fourth Proportional to 684,496,695, 1,026,743,445.72 and 449,628,757.74

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Solution

The fourth proportional to 684,496,695, 1,026,743,445.72 and 449,628,757.74 is: 674,442,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,496,695 : 1,026,743,445.72 = 449,628,757.74 : x
  2. Step 2: Convert to fraction form
    684,496,695/1,026,743,445.72 = 449,628,757.74/x
  3. Step 3: Cross multiply
    684,496,695x = 1,026,743,445.72 × 449,628,757.74
  4. Step 4: Simplify right side
    684,496,695x = 461,653,380,016,770,752
  5. Step 5: Solve for x
    x = 461,653,380,016,770,752/684,496,695
  6. Step 6: Final answer
    x = 674,442,087.73

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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.