Home / 1,147,589,209.80-1,721,383,757.10-1,091,830,447.56

Finding the Fourth Proportional to 1,147,589,209.80, 1,721,383,757.10 and 1,091,830,447.56

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Solution

The fourth proportional to 1,147,589,209.80, 1,721,383,757.10 and 1,091,830,447.56 is: 1,637,745,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,589,209.80 : 1,721,383,757.10 = 1,091,830,447.56 : x
  2. Step 2: Convert to fraction form
    1,147,589,209.80/1,721,383,757.10 = 1,091,830,447.56/x
  3. Step 3: Cross multiply
    1,147,589,209.80x = 1,721,383,757.10 × 1,091,830,447.56
  4. Step 4: Simplify right side
    1,147,589,209.80x = 1,879,459,197,937,007,104
  5. Step 5: Solve for x
    x = 1,879,459,197,937,007,104/1,147,589,209.80
  6. Step 6: Final answer
    x = 1,637,745,616.54

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Double scale
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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.