Home / 890,379,141.39-1,335,568,753.60-609,983,562.48

Finding the Fourth Proportional to 890,379,141.39, 1,335,568,753.60 and 609,983,562.48

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Solution

The fourth proportional to 890,379,141.39, 1,335,568,753.60 and 609,983,562.48 is: 914,975,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,141.39 : 1,335,568,753.60 = 609,983,562.48 : x
  2. Step 2: Convert to fraction form
    890,379,141.39/1,335,568,753.60 = 609,983,562.48/x
  3. Step 3: Cross multiply
    890,379,141.39x = 1,335,568,753.60 × 609,983,562.48
  4. Step 4: Simplify right side
    890,379,141.39x = 814,674,986,252,892,928
  5. Step 5: Solve for x
    x = 814,674,986,252,892,928/890,379,141.39
  6. Step 6: Final answer
    x = 914,975,372.16

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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.