Home / 621,158,737,583.42-931,831,269,270.49-218,171,179,165.82

Finding the Fourth Proportional to 621,158,737,583.42, 931,831,269,270.49 and 218,171,179,165.82

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Solution

The fourth proportional to 621,158,737,583.42, 931,831,269,270.49 and 218,171,179,165.82 is: 327,289,490,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,583.42 : 931,831,269,270.49 = 218,171,179,165.82 : x
  2. Step 2: Convert to fraction form
    621,158,737,583.42/931,831,269,270.49 = 218,171,179,165.82/x
  3. Step 3: Cross multiply
    621,158,737,583.42x = 931,831,269,270.49 × 218,171,179,165.82
  4. Step 4: Simplify right side
    621,158,737,583.42x = 203,298,726,800,325,544,509,440
  5. Step 5: Solve for x
    x = 203,298,726,800,325,544,509,440/621,158,737,583.42
  6. Step 6: Final answer
    x = 327,289,490,591.80

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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.