Home / 494,533,489.80-682,457,558.84-271,529,615.64

Finding the Fourth Proportional to 494,533,489.80, 682,457,558.84 and 271,529,615.64

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Solution

The fourth proportional to 494,533,489.80, 682,457,558.84 and 271,529,615.64 is: 374,711,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,533,489.80 : 682,457,558.84 = 271,529,615.64 : x
  2. Step 2: Convert to fraction form
    494,533,489.80/682,457,558.84 = 271,529,615.64/x
  3. Step 3: Cross multiply
    494,533,489.80x = 682,457,558.84 × 271,529,615.64
  4. Step 4: Simplify right side
    494,533,489.80x = 185,307,438,642,437,888
  5. Step 5: Solve for x
    x = 185,307,438,642,437,888/494,533,489.80
  6. Step 6: Final answer
    x = 374,711,606.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.