Home / 1,336,646,513.70-2,004,969,770.55-1,221,760,779.30

Finding the Fourth Proportional to 1,336,646,513.70, 2,004,969,770.55 and 1,221,760,779.30

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Solution

The fourth proportional to 1,336,646,513.70, 2,004,969,770.55 and 1,221,760,779.30 is: 1,832,641,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,646,513.70 : 2,004,969,770.55 = 1,221,760,779.30 : x
  2. Step 2: Convert to fraction form
    1,336,646,513.70/2,004,969,770.55 = 1,221,760,779.30/x
  3. Step 3: Cross multiply
    1,336,646,513.70x = 2,004,969,770.55 × 1,221,760,779.30
  4. Step 4: Simplify right side
    1,336,646,513.70x = 2,449,593,429,340,109,824
  5. Step 5: Solve for x
    x = 2,449,593,429,340,109,824/1,336,646,513.70
  6. Step 6: Final answer
    x = 1,832,641,168.95

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Double scale
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Similar ratio
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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.