Home / 890,379,144.46-1,335,568,758.20-609,983,565.54

Finding the Fourth Proportional to 890,379,144.46, 1,335,568,758.20 and 609,983,565.54

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Solution

The fourth proportional to 890,379,144.46, 1,335,568,758.20 and 609,983,565.54 is: 914,975,376.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,144.46 : 1,335,568,758.20 = 609,983,565.54 : x
  2. Step 2: Convert to fraction form
    890,379,144.46/1,335,568,758.20 = 609,983,565.54/x
  3. Step 3: Cross multiply
    890,379,144.46x = 1,335,568,758.20 × 609,983,565.54
  4. Step 4: Simplify right side
    890,379,144.46x = 814,674,993,150,666,112
  5. Step 5: Solve for x
    x = 814,674,993,150,666,112/890,379,144.46
  6. Step 6: Final answer
    x = 914,975,376.75

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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.