Home / 638,250,851.20-957,426,043.20-274,757,065.60

Finding the Fourth Proportional to 638,250,851.20, 957,426,043.20 and 274,757,065.60

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Solution

The fourth proportional to 638,250,851.20, 957,426,043.20 and 274,757,065.60 is: 412,157,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,250,851.20 : 957,426,043.20 = 274,757,065.60 : x
  2. Step 2: Convert to fraction form
    638,250,851.20/957,426,043.20 = 274,757,065.60/x
  3. Step 3: Cross multiply
    638,250,851.20x = 957,426,043.20 × 274,757,065.60
  4. Step 4: Simplify right side
    638,250,851.20x = 263,059,570,158,650,880
  5. Step 5: Solve for x
    x = 263,059,570,158,650,880/638,250,851.20
  6. Step 6: Final answer
    x = 412,157,022.06

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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.