Home / 890,379,141.61-1,335,568,753.93-609,983,562.69

Finding the Fourth Proportional to 890,379,141.61, 1,335,568,753.93 and 609,983,562.69

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Solution

The fourth proportional to 890,379,141.61, 1,335,568,753.93 and 609,983,562.69 is: 914,975,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,141.61 : 1,335,568,753.93 = 609,983,562.69 : x
  2. Step 2: Convert to fraction form
    890,379,141.61/1,335,568,753.93 = 609,983,562.69/x
  3. Step 3: Cross multiply
    890,379,141.61x = 1,335,568,753.93 × 609,983,562.69
  4. Step 4: Simplify right side
    890,379,141.61x = 814,674,986,741,479,296
  5. Step 5: Solve for x
    x = 814,674,986,741,479,296/890,379,141.61
  6. Step 6: Final answer
    x = 914,975,372.48

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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.