Home / 21,022,222,704.57-29,010,848,247.95-11,990,438,295.35

Finding the Fourth Proportional to 21,022,222,704.57, 29,010,848,247.95 and 11,990,438,295.35

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Solution

The fourth proportional to 21,022,222,704.57, 29,010,848,247.95 and 11,990,438,295.35 is: 16,546,908,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,222,704.57 : 29,010,848,247.95 = 11,990,438,295.35 : x
  2. Step 2: Convert to fraction form
    21,022,222,704.57/29,010,848,247.95 = 11,990,438,295.35/x
  3. Step 3: Cross multiply
    21,022,222,704.57x = 29,010,848,247.95 × 11,990,438,295.35
  4. Step 4: Simplify right side
    21,022,222,704.57x = 347,852,785,812,602,093,568
  5. Step 5: Solve for x
    x = 347,852,785,812,602,093,568/21,022,222,704.57
  6. Step 6: Final answer
    x = 16,546,908,036.37

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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.