Home / 3,138,092,728.96-4,705,504,889.28-1,171,328,644.48

Finding the Fourth Proportional to 3,138,092,728.96, 4,705,504,889.28 and 1,171,328,644.48

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Solution

The fourth proportional to 3,138,092,728.96, 4,705,504,889.28 and 1,171,328,644.48 is: 1,756,382,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,092,728.96 : 4,705,504,889.28 = 1,171,328,644.48 : x
  2. Step 2: Convert to fraction form
    3,138,092,728.96/4,705,504,889.28 = 1,171,328,644.48/x
  3. Step 3: Cross multiply
    3,138,092,728.96x = 4,705,504,889.28 × 1,171,328,644.48
  4. Step 4: Simplify right side
    3,138,092,728.96x = 5,511,692,663,554,354,176
  5. Step 5: Solve for x
    x = 5,511,692,663,554,354,176/3,138,092,728.96
  6. Step 6: Final answer
    x = 1,756,382,981.51

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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.