Home / 1,379,743,273.49-1,904,053,453.20-785,027,745.50

Finding the Fourth Proportional to 1,379,743,273.49, 1,904,053,453.20 and 785,027,745.50

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Solution

The fourth proportional to 1,379,743,273.49, 1,904,053,453.20 and 785,027,745.50 is: 1,083,342,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,743,273.49 : 1,904,053,453.20 = 785,027,745.50 : x
  2. Step 2: Convert to fraction form
    1,379,743,273.49/1,904,053,453.20 = 785,027,745.50/x
  3. Step 3: Cross multiply
    1,379,743,273.49x = 1,904,053,453.20 × 785,027,745.50
  4. Step 4: Simplify right side
    1,379,743,273.49x = 1,494,734,789,674,972,416
  5. Step 5: Solve for x
    x = 1,494,734,789,674,972,416/1,379,743,273.49
  6. Step 6: Final answer
    x = 1,083,342,690.19

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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.