Home / 2,790,179,139.63-4,183,815,467.42-1,315,923,110.11

Finding the Fourth Proportional to 2,790,179,139.63, 4,183,815,467.42 and 1,315,923,110.11

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Solution

The fourth proportional to 2,790,179,139.63, 4,183,815,467.42 and 1,315,923,110.11 is: 1,973,199,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,179,139.63 : 4,183,815,467.42 = 1,315,923,110.11 : x
  2. Step 2: Convert to fraction form
    2,790,179,139.63/4,183,815,467.42 = 1,315,923,110.11/x
  3. Step 3: Cross multiply
    2,790,179,139.63x = 4,183,815,467.42 × 1,315,923,110.11
  4. Step 4: Simplify right side
    2,790,179,139.63x = 5,505,579,462,013,649,920
  5. Step 5: Solve for x
    x = 5,505,579,462,013,649,920/2,790,179,139.63
  6. Step 6: Final answer
    x = 1,973,199,277.36

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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.