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Finding the Fourth Proportional to 2,855,843,382.80, 4,275,702,917.40 and 2,855,843,382.80

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Solution

The fourth proportional to 2,855,843,382.80, 4,275,702,917.40 and 2,855,843,382.80 is: 4,275,702,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,843,382.80 : 4,275,702,917.40 = 2,855,843,382.80 : x
  2. Step 2: Convert to fraction form
    2,855,843,382.80/4,275,702,917.40 = 2,855,843,382.80/x
  3. Step 3: Cross multiply
    2,855,843,382.80x = 4,275,702,917.40 × 2,855,843,382.80
  4. Step 4: Simplify right side
    2,855,843,382.80x = 12,210,737,883,475,445,760
  5. Step 5: Solve for x
    x = 12,210,737,883,475,445,760/2,855,843,382.80
  6. Step 6: Final answer
    x = 4,275,702,917.40

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Double scale
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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.