Home / 1,361,336,028.60-2,042,004,042.90-1,331,102,940.60

Finding the Fourth Proportional to 1,361,336,028.60, 2,042,004,042.90 and 1,331,102,940.60

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Solution

The fourth proportional to 1,361,336,028.60, 2,042,004,042.90 and 1,331,102,940.60 is: 1,996,654,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,336,028.60 : 2,042,004,042.90 = 1,331,102,940.60 : x
  2. Step 2: Convert to fraction form
    1,361,336,028.60/2,042,004,042.90 = 1,331,102,940.60/x
  3. Step 3: Cross multiply
    1,361,336,028.60x = 2,042,004,042.90 × 1,331,102,940.60
  4. Step 4: Simplify right side
    1,361,336,028.60x = 2,718,117,586,221,278,720
  5. Step 5: Solve for x
    x = 2,718,117,586,221,278,720/1,361,336,028.60
  6. Step 6: Final answer
    x = 1,996,654,410.90

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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.