Home / 20,661,916,393.64-28,513,374,700.46-11,629,669,266.65

Finding the Fourth Proportional to 20,661,916,393.64, 28,513,374,700.46 and 11,629,669,266.65

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Solution

The fourth proportional to 20,661,916,393.64, 28,513,374,700.46 and 11,629,669,266.65 is: 16,048,904,231.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,916,393.64 : 28,513,374,700.46 = 11,629,669,266.65 : x
  2. Step 2: Convert to fraction form
    20,661,916,393.64/28,513,374,700.46 = 11,629,669,266.65/x
  3. Step 3: Cross multiply
    20,661,916,393.64x = 28,513,374,700.46 × 11,629,669,266.65
  4. Step 4: Simplify right side
    20,661,916,393.64x = 331,601,117,442,512,453,632
  5. Step 5: Solve for x
    x = 331,601,117,442,512,453,632/20,661,916,393.64
  6. Step 6: Final answer
    x = 16,048,904,231.58

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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.