Home / 20,653,355,400.46-30,986,355,640.18-10,576,203,324.79

Finding the Fourth Proportional to 20,653,355,400.46, 30,986,355,640.18 and 10,576,203,324.79

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Solution

The fourth proportional to 20,653,355,400.46, 30,986,355,640.18 and 10,576,203,324.79 is: 15,867,542,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,355,400.46 : 30,986,355,640.18 = 10,576,203,324.79 : x
  2. Step 2: Convert to fraction form
    20,653,355,400.46/30,986,355,640.18 = 10,576,203,324.79/x
  3. Step 3: Cross multiply
    20,653,355,400.46x = 30,986,355,640.18 × 10,576,203,324.79
  4. Step 4: Simplify right side
    20,653,355,400.46x = 327,717,997,544,890,761,216
  5. Step 5: Solve for x
    x = 327,717,997,544,890,761,216/20,653,355,400.46
  6. Step 6: Final answer
    x = 15,867,542,643.34

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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.