Home / 1,311,291,983.28-1,809,686,091.60-746,800,733.10

Finding the Fourth Proportional to 1,311,291,983.28, 1,809,686,091.60 and 746,800,733.10

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Solution

The fourth proportional to 1,311,291,983.28, 1,809,686,091.60 and 746,800,733.10 is: 1,030,643,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,291,983.28 : 1,809,686,091.60 = 746,800,733.10 : x
  2. Step 2: Convert to fraction form
    1,311,291,983.28/1,809,686,091.60 = 746,800,733.10/x
  3. Step 3: Cross multiply
    1,311,291,983.28x = 1,809,686,091.60 × 746,800,733.10
  4. Step 4: Simplify right side
    1,311,291,983.28x = 1,351,474,899,887,753,728
  5. Step 5: Solve for x
    x = 1,351,474,899,887,753,728/1,311,291,983.28
  6. Step 6: Final answer
    x = 1,030,643,759.83

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Double scale
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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.