Home / 20,811,450,621.60-31,212,177,544.80-9,608,561,040.96

Finding the Fourth Proportional to 20,811,450,621.60, 31,212,177,544.80 and 9,608,561,040.96

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Solution

The fourth proportional to 20,811,450,621.60, 31,212,177,544.80 and 9,608,561,040.96 is: 14,410,533,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,811,450,621.60 : 31,212,177,544.80 = 9,608,561,040.96 : x
  2. Step 2: Convert to fraction form
    20,811,450,621.60/31,212,177,544.80 = 9,608,561,040.96/x
  3. Step 3: Cross multiply
    20,811,450,621.60x = 31,212,177,544.80 × 9,608,561,040.96
  4. Step 4: Simplify right side
    20,811,450,621.60x = 299,904,113,160,491,761,664
  5. Step 5: Solve for x
    x = 299,904,113,160,491,761,664/20,811,450,621.60
  6. Step 6: Final answer
    x = 14,410,533,826.47

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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.