Home / 3,638,856,828.70-5,458,285,243.05-1,185,193,731.70

Finding the Fourth Proportional to 3,638,856,828.70, 5,458,285,243.05 and 1,185,193,731.70

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Solution

The fourth proportional to 3,638,856,828.70, 5,458,285,243.05 and 1,185,193,731.70 is: 1,777,790,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638,856,828.70 : 5,458,285,243.05 = 1,185,193,731.70 : x
  2. Step 2: Convert to fraction form
    3,638,856,828.70/5,458,285,243.05 = 1,185,193,731.70/x
  3. Step 3: Cross multiply
    3,638,856,828.70x = 5,458,285,243.05 × 1,185,193,731.70
  4. Step 4: Simplify right side
    3,638,856,828.70x = 6,469,125,455,893,471,232
  5. Step 5: Solve for x
    x = 6,469,125,455,893,471,232/3,638,856,828.70
  6. Step 6: Final answer
    x = 1,777,790,597.55

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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.