Home / 621,081,704.70-930,831,300.45-330,088,232.70

Finding the Fourth Proportional to 621,081,704.70, 930,831,300.45 and 330,088,232.70

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Solution

The fourth proportional to 621,081,704.70, 930,831,300.45 and 330,088,232.70 is: 494,711,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,081,704.70 : 930,831,300.45 = 330,088,232.70 : x
  2. Step 2: Convert to fraction form
    621,081,704.70/930,831,300.45 = 330,088,232.70/x
  3. Step 3: Cross multiply
    621,081,704.70x = 930,831,300.45 × 330,088,232.70
  4. Step 4: Simplify right side
    621,081,704.70x = 307,256,458,907,383,232
  5. Step 5: Solve for x
    x = 307,256,458,907,383,232/621,081,704.70
  6. Step 6: Final answer
    x = 494,711,817.43

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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.