Home / 788,632,563.38-1,182,915,954.39-206,353,917.32

Finding the Fourth Proportional to 788,632,563.38, 1,182,915,954.39 and 206,353,917.32

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Solution

The fourth proportional to 788,632,563.38, 1,182,915,954.39 and 206,353,917.32 is: 309,522,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,632,563.38 : 1,182,915,954.39 = 206,353,917.32 : x
  2. Step 2: Convert to fraction form
    788,632,563.38/1,182,915,954.39 = 206,353,917.32/x
  3. Step 3: Cross multiply
    788,632,563.38x = 1,182,915,954.39 × 206,353,917.32
  4. Step 4: Simplify right side
    788,632,563.38x = 244,099,341,042,788,384
  5. Step 5: Solve for x
    x = 244,099,341,042,788,384/788,632,563.38
  6. Step 6: Final answer
    x = 309,522,269.79

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1.5x scale

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.