Home / 1,306,469,348.30-1,959,704,022.45-822,739,940.30

Finding the Fourth Proportional to 1,306,469,348.30, 1,959,704,022.45 and 822,739,940.30

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Solution

The fourth proportional to 1,306,469,348.30, 1,959,704,022.45 and 822,739,940.30 is: 1,234,109,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,469,348.30 : 1,959,704,022.45 = 822,739,940.30 : x
  2. Step 2: Convert to fraction form
    1,306,469,348.30/1,959,704,022.45 = 822,739,940.30/x
  3. Step 3: Cross multiply
    1,306,469,348.30x = 1,959,704,022.45 × 822,739,940.30
  4. Step 4: Simplify right side
    1,306,469,348.30x = 1,612,326,770,436,182,784
  5. Step 5: Solve for x
    x = 1,612,326,770,436,182,784/1,306,469,348.30
  6. Step 6: Final answer
    x = 1,234,109,910.45

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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.