Home / 18,739,510,109.13-28,108,275,172.13-6,146,709,786.48

Finding the Fourth Proportional to 18,739,510,109.13, 28,108,275,172.13 and 6,146,709,786.48

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Solution

The fourth proportional to 18,739,510,109.13, 28,108,275,172.13 and 6,146,709,786.48 is: 9,219,739,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739,510,109.13 : 28,108,275,172.13 = 6,146,709,786.48 : x
  2. Step 2: Convert to fraction form
    18,739,510,109.13/28,108,275,172.13 = 6,146,709,786.48/x
  3. Step 3: Cross multiply
    18,739,510,109.13x = 28,108,275,172.13 × 6,146,709,786.48
  4. Step 4: Simplify right side
    18,739,510,109.13x = 172,773,410,081,729,019,904
  5. Step 5: Solve for x
    x = 172,773,410,081,729,019,904/18,739,510,109.13
  6. Step 6: Final answer
    x = 9,219,739,954.54

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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.