Home / 986,314,369.87-1,479,286,589.28-494,895,693.43

Finding the Fourth Proportional to 986,314,369.87, 1,479,286,589.28 and 494,895,693.43

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Solution

The fourth proportional to 986,314,369.87, 1,479,286,589.28 and 494,895,693.43 is: 742,250,731.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,314,369.87 : 1,479,286,589.28 = 494,895,693.43 : x
  2. Step 2: Convert to fraction form
    986,314,369.87/1,479,286,589.28 = 494,895,693.43/x
  3. Step 3: Cross multiply
    986,314,369.87x = 1,479,286,589.28 × 494,895,693.43
  4. Step 4: Simplify right side
    986,314,369.87x = 732,092,562,383,425,152
  5. Step 5: Solve for x
    x = 732,092,562,383,425,152/986,314,369.87
  6. Step 6: Final answer
    x = 742,250,731.36

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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.