Home / 18,107,701,914.31-27,161,546,478.57-4,842,615,432.85

Finding the Fourth Proportional to 18,107,701,914.31, 27,161,546,478.57 and 4,842,615,432.85

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Solution

The fourth proportional to 18,107,701,914.31, 27,161,546,478.57 and 4,842,615,432.85 is: 7,263,921,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107,701,914.31 : 27,161,546,478.57 = 4,842,615,432.85 : x
  2. Step 2: Convert to fraction form
    18,107,701,914.31/27,161,546,478.57 = 4,842,615,432.85/x
  3. Step 3: Cross multiply
    18,107,701,914.31x = 27,161,546,478.57 × 4,842,615,432.85
  4. Step 4: Simplify right side
    18,107,701,914.31x = 131,532,924,157,127,737,344
  5. Step 5: Solve for x
    x = 131,532,924,157,127,737,344/18,107,701,914.31
  6. Step 6: Final answer
    x = 7,263,921,439.59

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1.5x scale

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.