Home / 263,197,200.40-394,795,800.60-255,638,928.40

Finding the Fourth Proportional to 263,197,200.40, 394,795,800.60 and 255,638,928.40

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Solution

The fourth proportional to 263,197,200.40, 394,795,800.60 and 255,638,928.40 is: 383,458,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,197,200.40 : 394,795,800.60 = 255,638,928.40 : x
  2. Step 2: Convert to fraction form
    263,197,200.40/394,795,800.60 = 255,638,928.40/x
  3. Step 3: Cross multiply
    263,197,200.40x = 394,795,800.60 × 255,638,928.40
  4. Step 4: Simplify right side
    263,197,200.40x = 100,925,175,402,204,080
  5. Step 5: Solve for x
    x = 100,925,175,402,204,080/263,197,200.40
  6. Step 6: Final answer
    x = 383,458,392.60

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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.