Home / 20,942,973,632.06-31,414,253,427.21-9,594,931,771.79

Finding the Fourth Proportional to 20,942,973,632.06, 31,414,253,427.21 and 9,594,931,771.79

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Solution

The fourth proportional to 20,942,973,632.06, 31,414,253,427.21 and 9,594,931,771.79 is: 14,392,302,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,973,632.06 : 31,414,253,427.21 = 9,594,931,771.79 : x
  2. Step 2: Convert to fraction form
    20,942,973,632.06/31,414,253,427.21 = 9,594,931,771.79/x
  3. Step 3: Cross multiply
    20,942,973,632.06x = 31,414,253,427.21 × 9,594,931,771.79
  4. Step 4: Simplify right side
    20,942,973,632.06x = 301,417,618,295,800,135,680
  5. Step 5: Solve for x
    x = 301,417,618,295,800,135,680/20,942,973,632.06
  6. Step 6: Final answer
    x = 14,392,302,811.97

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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.