Home / 13,944,783,896.40-20,957,990,513.40-12,148,938,469.20

Finding the Fourth Proportional to 13,944,783,896.40, 20,957,990,513.40 and 12,148,938,469.20

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Solution

The fourth proportional to 13,944,783,896.40, 20,957,990,513.40 and 12,148,938,469.20 is: 18,258,966,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944,783,896.40 : 20,957,990,513.40 = 12,148,938,469.20 : x
  2. Step 2: Convert to fraction form
    13,944,783,896.40/20,957,990,513.40 = 12,148,938,469.20/x
  3. Step 3: Cross multiply
    13,944,783,896.40x = 20,957,990,513.40 × 12,148,938,469.20
  4. Step 4: Simplify right side
    13,944,783,896.40x = 254,617,337,185,373,945,856
  5. Step 5: Solve for x
    x = 254,617,337,185,373,945,856/13,944,783,896.40
  6. Step 6: Final answer
    x = 18,258,966,153.72

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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.