Home / 664,362,077.80-996,543,116.70-276,941,588.80

Finding the Fourth Proportional to 664,362,077.80, 996,543,116.70 and 276,941,588.80

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Solution

The fourth proportional to 664,362,077.80, 996,543,116.70 and 276,941,588.80 is: 415,412,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,362,077.80 : 996,543,116.70 = 276,941,588.80 : x
  2. Step 2: Convert to fraction form
    664,362,077.80/996,543,116.70 = 276,941,588.80/x
  3. Step 3: Cross multiply
    664,362,077.80x = 996,543,116.70 × 276,941,588.80
  4. Step 4: Simplify right side
    664,362,077.80x = 275,984,234,046,601,824
  5. Step 5: Solve for x
    x = 275,984,234,046,601,824/664,362,077.80
  6. Step 6: Final answer
    x = 415,412,383.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.