Home / 2,629,833,784.21-3,629,172,578.85-1,424,184,389.36

Finding the Fourth Proportional to 2,629,833,784.21, 3,629,172,578.85 and 1,424,184,389.36

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Solution

The fourth proportional to 2,629,833,784.21, 3,629,172,578.85 and 1,424,184,389.36 is: 1,965,375,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629,833,784.21 : 3,629,172,578.85 = 1,424,184,389.36 : x
  2. Step 2: Convert to fraction form
    2,629,833,784.21/3,629,172,578.85 = 1,424,184,389.36/x
  3. Step 3: Cross multiply
    2,629,833,784.21x = 3,629,172,578.85 × 1,424,184,389.36
  4. Step 4: Simplify right side
    2,629,833,784.21x = 5,168,610,933,091,543,040
  5. Step 5: Solve for x
    x = 5,168,610,933,091,543,040/2,629,833,784.21
  6. Step 6: Final answer
    x = 1,965,375,516.93

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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.