Home / 621,158,737,446.66-931,831,269,065.34-218,171,179,029.36

Finding the Fourth Proportional to 621,158,737,446.66, 931,831,269,065.34 and 218,171,179,029.36

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Solution

The fourth proportional to 621,158,737,446.66, 931,831,269,065.34 and 218,171,179,029.36 is: 327,289,490,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,446.66 : 931,831,269,065.34 = 218,171,179,029.36 : x
  2. Step 2: Convert to fraction form
    621,158,737,446.66/931,831,269,065.34 = 218,171,179,029.36/x
  3. Step 3: Cross multiply
    621,158,737,446.66x = 931,831,269,065.34 × 218,171,179,029.36
  4. Step 4: Simplify right side
    621,158,737,446.66x = 203,298,726,628,410,016,137,216
  5. Step 5: Solve for x
    x = 203,298,726,628,410,016,137,216/621,158,737,446.66
  6. Step 6: Final answer
    x = 327,289,490,387.10

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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.