Home / 285,419,862,213.28-393,889,765,487.52-163,508,158,339.84

Finding the Fourth Proportional to 285,419,862,213.28, 393,889,765,487.52 and 163,508,158,339.84

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Solution

The fourth proportional to 285,419,862,213.28, 393,889,765,487.52 and 163,508,158,339.84 is: 225,647,190,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,419,862,213.28 : 393,889,765,487.52 = 163,508,158,339.84 : x
  2. Step 2: Convert to fraction form
    285,419,862,213.28/393,889,765,487.52 = 163,508,158,339.84/x
  3. Step 3: Cross multiply
    285,419,862,213.28x = 393,889,765,487.52 × 163,508,158,339.84
  4. Step 4: Simplify right side
    285,419,862,213.28x = 64,404,190,143,775,865,044,992
  5. Step 5: Solve for x
    x = 64,404,190,143,775,865,044,992/285,419,862,213.28
  6. Step 6: Final answer
    x = 225,647,190,929.03

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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.