Home / 20,218,141,642.32-30,268,201,253.90-11,798,245,530

Finding the Fourth Proportional to 20,218,141,642.32, 30,268,201,253.90 and 11,798,245,530

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Solution

The fourth proportional to 20,218,141,642.32, 30,268,201,253.90 and 11,798,245,530 is: 17,662,932,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,141,642.32 : 30,268,201,253.90 = 11,798,245,530 : x
  2. Step 2: Convert to fraction form
    20,218,141,642.32/30,268,201,253.90 = 11,798,245,530/x
  3. Step 3: Cross multiply
    20,218,141,642.32x = 30,268,201,253.90 × 11,798,245,530
  4. Step 4: Simplify right side
    20,218,141,642.32x = 357,111,670,144,907,083,776
  5. Step 5: Solve for x
    x = 357,111,670,144,907,083,776/20,218,141,642.32
  6. Step 6: Final answer
    x = 17,662,932,452.58

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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.