Home / 2,993,069,085.44-4,128,489,127.94-1,919,672,222.65

Finding the Fourth Proportional to 2,993,069,085.44, 4,128,489,127.94 and 1,919,672,222.65

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Solution

The fourth proportional to 2,993,069,085.44, 4,128,489,127.94 and 1,919,672,222.65 is: 2,647,899,421.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,069,085.44 : 4,128,489,127.94 = 1,919,672,222.65 : x
  2. Step 2: Convert to fraction form
    2,993,069,085.44/4,128,489,127.94 = 1,919,672,222.65/x
  3. Step 3: Cross multiply
    2,993,069,085.44x = 4,128,489,127.94 × 1,919,672,222.65
  4. Step 4: Simplify right side
    2,993,069,085.44x = 7,925,345,900,399,020,032
  5. Step 5: Solve for x
    x = 7,925,345,900,399,020,032/2,993,069,085.44
  6. Step 6: Final answer
    x = 2,647,899,421.69

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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.