Home / 362,880,978.60-544,321,467.90-331,313,383.20

Finding the Fourth Proportional to 362,880,978.60, 544,321,467.90 and 331,313,383.20

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Solution

The fourth proportional to 362,880,978.60, 544,321,467.90 and 331,313,383.20 is: 496,970,074.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,880,978.60 : 544,321,467.90 = 331,313,383.20 : x
  2. Step 2: Convert to fraction form
    362,880,978.60/544,321,467.90 = 331,313,383.20/x
  3. Step 3: Cross multiply
    362,880,978.60x = 544,321,467.90 × 331,313,383.20
  4. Step 4: Simplify right side
    362,880,978.60x = 180,340,987,078,339,200
  5. Step 5: Solve for x
    x = 180,340,987,078,339,200/362,880,978.60
  6. Step 6: Final answer
    x = 496,970,074.80

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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.