Home / 2,783,481,945.35-3,841,220,270.09-1,639,097,978.63

Finding the Fourth Proportional to 2,783,481,945.35, 3,841,220,270.09 and 1,639,097,978.63

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Solution

The fourth proportional to 2,783,481,945.35, 3,841,220,270.09 and 1,639,097,978.63 is: 2,261,964,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,481,945.35 : 3,841,220,270.09 = 1,639,097,978.63 : x
  2. Step 2: Convert to fraction form
    2,783,481,945.35/3,841,220,270.09 = 1,639,097,978.63/x
  3. Step 3: Cross multiply
    2,783,481,945.35x = 3,841,220,270.09 × 1,639,097,978.63
  4. Step 4: Simplify right side
    2,783,481,945.35x = 6,296,136,380,177,102,848
  5. Step 5: Solve for x
    x = 6,296,136,380,177,102,848/2,783,481,945.35
  6. Step 6: Final answer
    x = 2,261,964,152.74

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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.