Home / 1,211,115,617.80-1,816,673,426.70-995,882,012.80

Finding the Fourth Proportional to 1,211,115,617.80, 1,816,673,426.70 and 995,882,012.80

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Solution

The fourth proportional to 1,211,115,617.80, 1,816,673,426.70 and 995,882,012.80 is: 1,493,823,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,115,617.80 : 1,816,673,426.70 = 995,882,012.80 : x
  2. Step 2: Convert to fraction form
    1,211,115,617.80/1,816,673,426.70 = 995,882,012.80/x
  3. Step 3: Cross multiply
    1,211,115,617.80x = 1,816,673,426.70 × 995,882,012.80
  4. Step 4: Simplify right side
    1,211,115,617.80x = 1,809,192,388,782,269,184
  5. Step 5: Solve for x
    x = 1,809,192,388,782,269,184/1,211,115,617.80
  6. Step 6: Final answer
    x = 1,493,823,019.20

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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.