Home / 383,617,821.60-574,765,383.60-178,725,664.80

Finding the Fourth Proportional to 383,617,821.60, 574,765,383.60 and 178,725,664.80

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Solution

The fourth proportional to 383,617,821.60, 574,765,383.60 and 178,725,664.80 is: 267,780,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,617,821.60 : 574,765,383.60 = 178,725,664.80 : x
  2. Step 2: Convert to fraction form
    383,617,821.60/574,765,383.60 = 178,725,664.80/x
  3. Step 3: Cross multiply
    383,617,821.60x = 574,765,383.60 × 178,725,664.80
  4. Step 4: Simplify right side
    383,617,821.60x = 102,725,325,287,937,024
  5. Step 5: Solve for x
    x = 102,725,325,287,937,024/383,617,821.60
  6. Step 6: Final answer
    x = 267,780,378.03

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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.