Home / 1,189,203,323.10-1,783,804,984.65-327,560,315.10

Finding the Fourth Proportional to 1,189,203,323.10, 1,783,804,984.65 and 327,560,315.10

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Solution

The fourth proportional to 1,189,203,323.10, 1,783,804,984.65 and 327,560,315.10 is: 491,340,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,203,323.10 : 1,783,804,984.65 = 327,560,315.10 : x
  2. Step 2: Convert to fraction form
    1,189,203,323.10/1,783,804,984.65 = 327,560,315.10/x
  3. Step 3: Cross multiply
    1,189,203,323.10x = 1,783,804,984.65 × 327,560,315.10
  4. Step 4: Simplify right side
    1,189,203,323.10x = 584,303,722,848,904,704
  5. Step 5: Solve for x
    x = 584,303,722,848,904,704/1,189,203,323.10
  6. Step 6: Final answer
    x = 491,340,472.65

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Double scale
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Similar ratio
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1.5x scale

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.