Home / 20,942,973,629.06-31,414,253,422.72-9,594,931,768.80

Finding the Fourth Proportional to 20,942,973,629.06, 31,414,253,422.72 and 9,594,931,768.80

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Solution

The fourth proportional to 20,942,973,629.06, 31,414,253,422.72 and 9,594,931,768.80 is: 14,392,302,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,942,973,629.06 : 31,414,253,422.72 = 9,594,931,768.80 : x
  2. Step 2: Convert to fraction form
    20,942,973,629.06/31,414,253,422.72 = 9,594,931,768.80/x
  3. Step 3: Cross multiply
    20,942,973,629.06x = 31,414,253,422.72 × 9,594,931,768.80
  4. Step 4: Simplify right side
    20,942,973,629.06x = 301,417,618,158,790,246,400
  5. Step 5: Solve for x
    x = 301,417,618,158,790,246,400/20,942,973,629.06
  6. Step 6: Final answer
    x = 14,392,302,807.49

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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.