Home / 15,880,905,760.51-21,916,042,949.52-8,647,349,793.49

Finding the Fourth Proportional to 15,880,905,760.51, 21,916,042,949.52 and 8,647,349,793.49

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Solution

The fourth proportional to 15,880,905,760.51, 21,916,042,949.52 and 8,647,349,793.49 is: 11,933,556,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,880,905,760.51 : 21,916,042,949.52 = 8,647,349,793.49 : x
  2. Step 2: Convert to fraction form
    15,880,905,760.51/21,916,042,949.52 = 8,647,349,793.49/x
  3. Step 3: Cross multiply
    15,880,905,760.51x = 21,916,042,949.52 × 8,647,349,793.49
  4. Step 4: Simplify right side
    15,880,905,760.51x = 189,515,689,473,649,737,728
  5. Step 5: Solve for x
    x = 189,515,689,473,649,737,728/15,880,905,760.51
  6. Step 6: Final answer
    x = 11,933,556,708.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.