Home / 1,410,914,917.70-1,947,186,546.91-775,947,197.78

Finding the Fourth Proportional to 1,410,914,917.70, 1,947,186,546.91 and 775,947,197.78

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Solution

The fourth proportional to 1,410,914,917.70, 1,947,186,546.91 and 775,947,197.78 is: 1,070,875,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,914,917.70 : 1,947,186,546.91 = 775,947,197.78 : x
  2. Step 2: Convert to fraction form
    1,410,914,917.70/1,947,186,546.91 = 775,947,197.78/x
  3. Step 3: Cross multiply
    1,410,914,917.70x = 1,947,186,546.91 × 775,947,197.78
  4. Step 4: Simplify right side
    1,410,914,917.70x = 1,510,913,944,618,053,120
  5. Step 5: Solve for x
    x = 1,510,913,944,618,053,120/1,410,914,917.70
  6. Step 6: Final answer
    x = 1,070,875,306.28

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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.