Home / 28,469,540,090.81-39,286,463,766.44-16,259,844,832.17

Finding the Fourth Proportional to 28,469,540,090.81, 39,286,463,766.44 and 16,259,844,832.17

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Solution

The fourth proportional to 28,469,540,090.81, 39,286,463,766.44 and 16,259,844,832.17 is: 22,437,728,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,540,090.81 : 39,286,463,766.44 = 16,259,844,832.17 : x
  2. Step 2: Convert to fraction form
    28,469,540,090.81/39,286,463,766.44 = 16,259,844,832.17/x
  3. Step 3: Cross multiply
    28,469,540,090.81x = 39,286,463,766.44 × 16,259,844,832.17
  4. Step 4: Simplify right side
    28,469,540,090.81x = 638,791,804,846,902,083,584
  5. Step 5: Solve for x
    x = 638,791,804,846,902,083,584/28,469,540,090.81
  6. Step 6: Final answer
    x = 22,437,728,281.15

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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.