Home / 1,405,244,221.52-1,938,601,123.04-848,149,186.64

Finding the Fourth Proportional to 1,405,244,221.52, 1,938,601,123.04 and 848,149,186.64

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Solution

The fourth proportional to 1,405,244,221.52, 1,938,601,123.04 and 848,149,186.64 is: 1,170,062,072.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,244,221.52 : 1,938,601,123.04 = 848,149,186.64 : x
  2. Step 2: Convert to fraction form
    1,405,244,221.52/1,938,601,123.04 = 848,149,186.64/x
  3. Step 3: Cross multiply
    1,405,244,221.52x = 1,938,601,123.04 × 848,149,186.64
  4. Step 4: Simplify right side
    1,405,244,221.52x = 1,644,222,965,725,766,400
  5. Step 5: Solve for x
    x = 1,644,222,965,725,766,400/1,405,244,221.52
  6. Step 6: Final answer
    x = 1,170,062,072.16

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Half scale
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Double scale
Find fourth proportional to 1,405,244,222.52, 1,938,601,124.42 and 848,149,187.64
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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.