Home / 1,138,200,046.70-1,569,171,376.58-798,647,175.15

Finding the Fourth Proportional to 1,138,200,046.70, 1,569,171,376.58 and 798,647,175.15

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Solution

The fourth proportional to 1,138,200,046.70, 1,569,171,376.58 and 798,647,175.15 is: 1,101,049,231.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,200,046.70 : 1,569,171,376.58 = 798,647,175.15 : x
  2. Step 2: Convert to fraction form
    1,138,200,046.70/1,569,171,376.58 = 798,647,175.15/x
  3. Step 3: Cross multiply
    1,138,200,046.70x = 1,569,171,376.58 × 798,647,175.15
  4. Step 4: Simplify right side
    1,138,200,046.70x = 1,253,214,287,225,319,168
  5. Step 5: Solve for x
    x = 1,253,214,287,225,319,168/1,138,200,046.70
  6. Step 6: Final answer
    x = 1,101,049,231.95

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Double scale
Find fourth proportional to 1,138,200,047.70, 1,569,171,377.96 and 798,647,176.15
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.