Home / 850,630,356-1,275,945,532.56-204,398,100

Finding the Fourth Proportional to 850,630,356, 1,275,945,532.56 and 204,398,100

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Solution

The fourth proportional to 850,630,356, 1,275,945,532.56 and 204,398,100 is: 306,597,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,630,356 : 1,275,945,532.56 = 204,398,100 : x
  2. Step 2: Convert to fraction form
    850,630,356/1,275,945,532.56 = 204,398,100/x
  3. Step 3: Cross multiply
    850,630,356x = 1,275,945,532.56 × 204,398,100
  4. Step 4: Simplify right side
    850,630,356x = 260,800,842,558,752,128
  5. Step 5: Solve for x
    x = 260,800,842,558,752,128/850,630,356
  6. Step 6: Final answer
    x = 306,597,149.65

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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.