Home / 12,129,150,763.80-18,193,726,145.70-3,405,015,307.80

Finding the Fourth Proportional to 12,129,150,763.80, 18,193,726,145.70 and 3,405,015,307.80

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Solution

The fourth proportional to 12,129,150,763.80, 18,193,726,145.70 and 3,405,015,307.80 is: 5,107,522,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,150,763.80 : 18,193,726,145.70 = 3,405,015,307.80 : x
  2. Step 2: Convert to fraction form
    12,129,150,763.80/18,193,726,145.70 = 3,405,015,307.80/x
  3. Step 3: Cross multiply
    12,129,150,763.80x = 18,193,726,145.70 × 3,405,015,307.80
  4. Step 4: Simplify right side
    12,129,150,763.80x = 61,949,916,032,029,597,696
  5. Step 5: Solve for x
    x = 61,949,916,032,029,597,696/12,129,150,763.80
  6. Step 6: Final answer
    x = 5,107,522,961.70

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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.