Home / 20,218,141,647.20-30,268,201,261.20-11,798,245,534.88

Finding the Fourth Proportional to 20,218,141,647.20, 30,268,201,261.20 and 11,798,245,534.88

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Solution

The fourth proportional to 20,218,141,647.20, 30,268,201,261.20 and 11,798,245,534.88 is: 17,662,932,459.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,141,647.20 : 30,268,201,261.20 = 11,798,245,534.88 : x
  2. Step 2: Convert to fraction form
    20,218,141,647.20/30,268,201,261.20 = 11,798,245,534.88/x
  3. Step 3: Cross multiply
    20,218,141,647.20x = 30,268,201,261.20 × 11,798,245,534.88
  4. Step 4: Simplify right side
    20,218,141,647.20x = 357,111,670,378,650,730,496
  5. Step 5: Solve for x
    x = 357,111,670,378,650,730,496/20,218,141,647.20
  6. Step 6: Final answer
    x = 17,662,932,459.88

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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.