Home / 2,810,902,189.05-3,879,045,388.31-1,557,919,937.97

Finding the Fourth Proportional to 2,810,902,189.05, 3,879,045,388.31 and 1,557,919,937.97

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Solution

The fourth proportional to 2,810,902,189.05, 3,879,045,388.31 and 1,557,919,937.97 is: 2,149,929,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,902,189.05 : 3,879,045,388.31 = 1,557,919,937.97 : x
  2. Step 2: Convert to fraction form
    2,810,902,189.05/3,879,045,388.31 = 1,557,919,937.97/x
  3. Step 3: Cross multiply
    2,810,902,189.05x = 3,879,045,388.31 × 1,557,919,937.97
  4. Step 4: Simplify right side
    2,810,902,189.05x = 6,043,242,150,730,940,416
  5. Step 5: Solve for x
    x = 6,043,242,150,730,940,416/2,810,902,189.05
  6. Step 6: Final answer
    x = 2,149,929,718.04

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Double scale
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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.