Home / 18,601,345,515.60-27,902,018,273.40-13,371,168,914.10

Finding the Fourth Proportional to 18,601,345,515.60, 27,902,018,273.40 and 13,371,168,914.10

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Solution

The fourth proportional to 18,601,345,515.60, 27,902,018,273.40 and 13,371,168,914.10 is: 20,056,753,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,345,515.60 : 27,902,018,273.40 = 13,371,168,914.10 : x
  2. Step 2: Convert to fraction form
    18,601,345,515.60/27,902,018,273.40 = 13,371,168,914.10/x
  3. Step 3: Cross multiply
    18,601,345,515.60x = 27,902,018,273.40 × 13,371,168,914.10
  4. Step 4: Simplify right side
    18,601,345,515.60x = 373,082,599,377,936,252,928
  5. Step 5: Solve for x
    x = 373,082,599,377,936,252,928/18,601,345,515.60
  6. Step 6: Final answer
    x = 20,056,753,371.15

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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.