Home / 1,405,568,446.88-2,108,342,054.64-422,990,756

Finding the Fourth Proportional to 1,405,568,446.88, 2,108,342,054.64 and 422,990,756

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Solution

The fourth proportional to 1,405,568,446.88, 2,108,342,054.64 and 422,990,756 is: 634,482,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,568,446.88 : 2,108,342,054.64 = 422,990,756 : x
  2. Step 2: Convert to fraction form
    1,405,568,446.88/2,108,342,054.64 = 422,990,756/x
  3. Step 3: Cross multiply
    1,405,568,446.88x = 2,108,342,054.64 × 422,990,756
  4. Step 4: Simplify right side
    1,405,568,446.88x = 891,809,199,598,766,976
  5. Step 5: Solve for x
    x = 891,809,199,598,766,976/1,405,568,446.88
  6. Step 6: Final answer
    x = 634,482,939.32

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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.