Home / 2,788,159,052.80-4,182,238,579.20-2,661,180,083.20

Finding the Fourth Proportional to 2,788,159,052.80, 4,182,238,579.20 and 2,661,180,083.20

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Solution

The fourth proportional to 2,788,159,052.80, 4,182,238,579.20 and 2,661,180,083.20 is: 3,991,770,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,159,052.80 : 4,182,238,579.20 = 2,661,180,083.20 : x
  2. Step 2: Convert to fraction form
    2,788,159,052.80/4,182,238,579.20 = 2,661,180,083.20/x
  3. Step 3: Cross multiply
    2,788,159,052.80x = 4,182,238,579.20 × 2,661,180,083.20
  4. Step 4: Simplify right side
    2,788,159,052.80x = 11,129,690,010,157,705,216
  5. Step 5: Solve for x
    x = 11,129,690,010,157,705,216/2,788,159,052.80
  6. Step 6: Final answer
    x = 3,991,770,124.80

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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.