Home / 1,638,794,618.20-2,458,191,927.30-1,449,389,045.80

Finding the Fourth Proportional to 1,638,794,618.20, 2,458,191,927.30 and 1,449,389,045.80

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Solution

The fourth proportional to 1,638,794,618.20, 2,458,191,927.30 and 1,449,389,045.80 is: 2,174,083,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,794,618.20 : 2,458,191,927.30 = 1,449,389,045.80 : x
  2. Step 2: Convert to fraction form
    1,638,794,618.20/2,458,191,927.30 = 1,449,389,045.80/x
  3. Step 3: Cross multiply
    1,638,794,618.20x = 2,458,191,927.30 × 1,449,389,045.80
  4. Step 4: Simplify right side
    1,638,794,618.20x = 3,562,876,451,902,609,920
  5. Step 5: Solve for x
    x = 3,562,876,451,902,609,920/1,638,794,618.20
  6. Step 6: Final answer
    x = 2,174,083,568.70

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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.