Home / 1,469,662,887.61-2,028,133,890.76-809,613,165.61

Finding the Fourth Proportional to 1,469,662,887.61, 2,028,133,890.76 and 809,613,165.61

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Solution

The fourth proportional to 1,469,662,887.61, 2,028,133,890.76 and 809,613,165.61 is: 1,117,265,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,662,887.61 : 2,028,133,890.76 = 809,613,165.61 : x
  2. Step 2: Convert to fraction form
    1,469,662,887.61/2,028,133,890.76 = 809,613,165.61/x
  3. Step 3: Cross multiply
    1,469,662,887.61x = 2,028,133,890.76 × 809,613,165.61
  4. Step 4: Simplify right side
    1,469,662,887.61x = 1,642,003,899,568,988,928
  5. Step 5: Solve for x
    x = 1,642,003,899,568,988,928/1,469,662,887.61
  6. Step 6: Final answer
    x = 1,117,265,675.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.