Home / 621,158,737,448.14-931,831,269,067.62-218,171,179,030.86

Finding the Fourth Proportional to 621,158,737,448.14, 931,831,269,067.62 and 218,171,179,030.86

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Solution

The fourth proportional to 621,158,737,448.14, 931,831,269,067.62 and 218,171,179,030.86 is: 327,289,490,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,448.14 : 931,831,269,067.62 = 218,171,179,030.86 : x
  2. Step 2: Convert to fraction form
    621,158,737,448.14/931,831,269,067.62 = 218,171,179,030.86/x
  3. Step 3: Cross multiply
    621,158,737,448.14x = 931,831,269,067.62 × 218,171,179,030.86
  4. Step 4: Simplify right side
    621,158,737,448.14x = 203,298,726,630,305,170,456,576
  5. Step 5: Solve for x
    x = 203,298,726,630,305,170,456,576/621,158,737,448.14
  6. Step 6: Final answer
    x = 327,289,490,389.37

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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.