Home / 2,242,958,999.40-3,367,467,712.80-1,311,236,638.20

Finding the Fourth Proportional to 2,242,958,999.40, 3,367,467,712.80 and 1,311,236,638.20

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Solution

The fourth proportional to 2,242,958,999.40, 3,367,467,712.80 and 1,311,236,638.20 is: 1,968,625,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242,958,999.40 : 3,367,467,712.80 = 1,311,236,638.20 : x
  2. Step 2: Convert to fraction form
    2,242,958,999.40/3,367,467,712.80 = 1,311,236,638.20/x
  3. Step 3: Cross multiply
    2,242,958,999.40x = 3,367,467,712.80 × 1,311,236,638.20
  4. Step 4: Simplify right side
    2,242,958,999.40x = 4,415,547,042,978,915,328
  5. Step 5: Solve for x
    x = 4,415,547,042,978,915,328/2,242,958,999.40
  6. Step 6: Final answer
    x = 1,968,625,839.42

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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.