Home / 434,149,434.72-651,324,890.40-143,006,119.20

Finding the Fourth Proportional to 434,149,434.72, 651,324,890.40 and 143,006,119.20

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Solution

The fourth proportional to 434,149,434.72, 651,324,890.40 and 143,006,119.20 is: 214,542,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,149,434.72 : 651,324,890.40 = 143,006,119.20 : x
  2. Step 2: Convert to fraction form
    434,149,434.72/651,324,890.40 = 143,006,119.20/x
  3. Step 3: Cross multiply
    434,149,434.72x = 651,324,890.40 × 143,006,119.20
  4. Step 4: Simplify right side
    434,149,434.72x = 93,143,444,914,469,328
  5. Step 5: Solve for x
    x = 93,143,444,914,469,328/434,149,434.72
  6. Step 6: Final answer
    x = 214,542,361.38

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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.