Home / 890,379,155.49-1,335,568,774.77-609,983,576.58

Finding the Fourth Proportional to 890,379,155.49, 1,335,568,774.77 and 609,983,576.58

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Solution

The fourth proportional to 890,379,155.49, 1,335,568,774.77 and 609,983,576.58 is: 914,975,393.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,379,155.49 : 1,335,568,774.77 = 609,983,576.58 : x
  2. Step 2: Convert to fraction form
    890,379,155.49/1,335,568,774.77 = 609,983,576.58/x
  3. Step 3: Cross multiply
    890,379,155.49x = 1,335,568,774.77 × 609,983,576.58
  4. Step 4: Simplify right side
    890,379,155.49x = 814,675,018,002,773,120
  5. Step 5: Solve for x
    x = 814,675,018,002,773,120/890,379,155.49
  6. Step 6: Final answer
    x = 914,975,393.32

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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.