Home / 1,985,638,079.94-2,740,147,121.76-1,093,647,873.54

Finding the Fourth Proportional to 1,985,638,079.94, 2,740,147,121.76 and 1,093,647,873.54

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Solution

The fourth proportional to 1,985,638,079.94, 2,740,147,121.76 and 1,093,647,873.54 is: 1,509,215,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,638,079.94 : 2,740,147,121.76 = 1,093,647,873.54 : x
  2. Step 2: Convert to fraction form
    1,985,638,079.94/2,740,147,121.76 = 1,093,647,873.54/x
  3. Step 3: Cross multiply
    1,985,638,079.94x = 2,740,147,121.76 × 1,093,647,873.54
  4. Step 4: Simplify right side
    1,985,638,079.94x = 2,996,756,072,899,575,808
  5. Step 5: Solve for x
    x = 2,996,756,072,899,575,808/1,985,638,079.94
  6. Step 6: Final answer
    x = 1,509,215,653.74

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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.