Home / 7,639,186,923.58-11,458,777,688.20-2,042,978,563.92

Finding the Fourth Proportional to 7,639,186,923.58, 11,458,777,688.20 and 2,042,978,563.92

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Solution

The fourth proportional to 7,639,186,923.58, 11,458,777,688.20 and 2,042,978,563.92 is: 3,064,467,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639,186,923.58 : 11,458,777,688.20 = 2,042,978,563.92 : x
  2. Step 2: Convert to fraction form
    7,639,186,923.58/11,458,777,688.20 = 2,042,978,563.92/x
  3. Step 3: Cross multiply
    7,639,186,923.58x = 11,458,777,688.20 × 2,042,978,563.92
  4. Step 4: Simplify right side
    7,639,186,923.58x = 23,410,037,185,717,374,976
  5. Step 5: Solve for x
    x = 23,410,037,185,717,374,976/7,639,186,923.58
  6. Step 6: Final answer
    x = 3,064,467,124.56

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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.