Home / 18,107,701,912.80-27,161,546,476.28-4,842,615,431.32

Finding the Fourth Proportional to 18,107,701,912.80, 27,161,546,476.28 and 4,842,615,431.32

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Solution

The fourth proportional to 18,107,701,912.80, 27,161,546,476.28 and 4,842,615,431.32 is: 7,263,921,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107,701,912.80 : 27,161,546,476.28 = 4,842,615,431.32 : x
  2. Step 2: Convert to fraction form
    18,107,701,912.80/27,161,546,476.28 = 4,842,615,431.32/x
  3. Step 3: Cross multiply
    18,107,701,912.80x = 27,161,546,476.28 × 4,842,615,431.32
  4. Step 4: Simplify right side
    18,107,701,912.80x = 131,532,924,104,548,876,288
  5. Step 5: Solve for x
    x = 131,532,924,104,548,876,288/18,107,701,912.80
  6. Step 6: Final answer
    x = 7,263,921,437.30

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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.