Home / 1,968,353,605.56-2,951,621,601.30-724,471,629.24

Finding the Fourth Proportional to 1,968,353,605.56, 2,951,621,601.30 and 724,471,629.24

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Solution

The fourth proportional to 1,968,353,605.56, 2,951,621,601.30 and 724,471,629.24 is: 1,086,372,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,353,605.56 : 2,951,621,601.30 = 724,471,629.24 : x
  2. Step 2: Convert to fraction form
    1,968,353,605.56/2,951,621,601.30 = 724,471,629.24/x
  3. Step 3: Cross multiply
    1,968,353,605.56x = 2,951,621,601.30 × 724,471,629.24
  4. Step 4: Simplify right side
    1,968,353,605.56x = 2,138,366,110,393,788,928
  5. Step 5: Solve for x
    x = 2,138,366,110,393,788,928/1,968,353,605.56
  6. Step 6: Final answer
    x = 1,086,372,948.62

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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.