Home / 2,886,946,850.58-3,985,786,006.77-1,984,257,111.21

Finding the Fourth Proportional to 2,886,946,850.58, 3,985,786,006.77 and 1,984,257,111.21

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Solution

The fourth proportional to 2,886,946,850.58, 3,985,786,006.77 and 1,984,257,111.21 is: 2,739,511,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,946,850.58 : 3,985,786,006.77 = 1,984,257,111.21 : x
  2. Step 2: Convert to fraction form
    2,886,946,850.58/3,985,786,006.77 = 1,984,257,111.21/x
  3. Step 3: Cross multiply
    2,886,946,850.58x = 3,985,786,006.77 × 1,984,257,111.21
  4. Step 4: Simplify right side
    2,886,946,850.58x = 7,908,824,227,694,682,112
  5. Step 5: Solve for x
    x = 7,908,824,227,694,682,112/2,886,946,850.58
  6. Step 6: Final answer
    x = 2,739,511,545.25

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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.