Home / 2,638,515,578.76-3,957,771,115.08-673,368,500.16

Finding the Fourth Proportional to 2,638,515,578.76, 3,957,771,115.08 and 673,368,500.16

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Solution

The fourth proportional to 2,638,515,578.76, 3,957,771,115.08 and 673,368,500.16 is: 1,010,052,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638,515,578.76 : 3,957,771,115.08 = 673,368,500.16 : x
  2. Step 2: Convert to fraction form
    2,638,515,578.76/3,957,771,115.08 = 673,368,500.16/x
  3. Step 3: Cross multiply
    2,638,515,578.76x = 3,957,771,115.08 × 673,368,500.16
  4. Step 4: Simplify right side
    2,638,515,578.76x = 2,665,038,399,737,990,144
  5. Step 5: Solve for x
    x = 2,665,038,399,737,990,144/2,638,515,578.76
  6. Step 6: Final answer
    x = 1,010,052,175.24

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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.