Home / 18,882,022,739.44-28,309,071,159.60-11,418,946,353.40

Finding the Fourth Proportional to 18,882,022,739.44, 28,309,071,159.60 and 11,418,946,353.40

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Solution

The fourth proportional to 18,882,022,739.44, 28,309,071,159.60 and 11,418,946,353.40 is: 17,119,975,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882,022,739.44 : 28,309,071,159.60 = 11,418,946,353.40 : x
  2. Step 2: Convert to fraction form
    18,882,022,739.44/28,309,071,159.60 = 11,418,946,353.40/x
  3. Step 3: Cross multiply
    18,882,022,739.44x = 28,309,071,159.60 × 11,418,946,353.40
  4. Step 4: Simplify right side
    18,882,022,739.44x = 323,259,764,886,055,485,440
  5. Step 5: Solve for x
    x = 323,259,764,886,055,485,440/18,882,022,739.44
  6. Step 6: Final answer
    x = 17,119,975,404.48

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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.