Home / 621,158,737,487.70-931,831,269,126.90-218,171,179,070.07

Finding the Fourth Proportional to 621,158,737,487.70, 931,831,269,126.90 and 218,171,179,070.07

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Solution

The fourth proportional to 621,158,737,487.70, 931,831,269,126.90 and 218,171,179,070.07 is: 327,289,490,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,158,737,487.70 : 931,831,269,126.90 = 218,171,179,070.07 : x
  2. Step 2: Convert to fraction form
    621,158,737,487.70/931,831,269,126.90 = 218,171,179,070.07/x
  3. Step 3: Cross multiply
    621,158,737,487.70x = 931,831,269,126.90 × 218,171,179,070.07
  4. Step 4: Simplify right side
    621,158,737,487.70x = 203,298,726,679,775,509,741,568
  5. Step 5: Solve for x
    x = 203,298,726,679,775,509,741,568/621,158,737,487.70
  6. Step 6: Final answer
    x = 327,289,490,448.17

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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.