Home / 445,824,563.60-668,736,845.40-336,985,446.80

Finding the Fourth Proportional to 445,824,563.60, 668,736,845.40 and 336,985,446.80

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Solution

The fourth proportional to 445,824,563.60, 668,736,845.40 and 336,985,446.80 is: 505,478,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,824,563.60 : 668,736,845.40 = 336,985,446.80 : x
  2. Step 2: Convert to fraction form
    445,824,563.60/668,736,845.40 = 336,985,446.80/x
  3. Step 3: Cross multiply
    445,824,563.60x = 668,736,845.40 × 336,985,446.80
  4. Step 4: Simplify right side
    445,824,563.60x = 225,354,584,638,741,536
  5. Step 5: Solve for x
    x = 225,354,584,638,741,536/445,824,563.60
  6. Step 6: Final answer
    x = 505,478,170.20

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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.