Home / 3,863,019,858.40-5,794,954,940.40-1,242,377,999.20

Finding the Fourth Proportional to 3,863,019,858.40, 5,794,954,940.40 and 1,242,377,999.20

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Solution

The fourth proportional to 3,863,019,858.40, 5,794,954,940.40 and 1,242,377,999.20 is: 1,863,703,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863,019,858.40 : 5,794,954,940.40 = 1,242,377,999.20 : x
  2. Step 2: Convert to fraction form
    3,863,019,858.40/5,794,954,940.40 = 1,242,377,999.20/x
  3. Step 3: Cross multiply
    3,863,019,858.40x = 5,794,954,940.40 × 1,242,377,999.20
  4. Step 4: Simplify right side
    3,863,019,858.40x = 7,199,524,524,308,306,944
  5. Step 5: Solve for x
    x = 7,199,524,524,308,306,944/3,863,019,858.40
  6. Step 6: Final answer
    x = 1,863,703,731.33

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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.