Finding the Fourth Proportional to 1,645,169,604.56, 2,467,667,493.99 and 539,628,835.49
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Solution
The fourth proportional to 1,645,169,604.56, 2,467,667,493.99 and 539,628,835.49 is: 809,414,745.12
Step by Step Solution
- Step 1: Write the proportion equation
1,645,169,604.56 : 2,467,667,493.99 = 539,628,835.49 : x - Step 2: Convert to fraction form
1,645,169,604.56/2,467,667,493.99 = 539,628,835.49/x - Step 3: Cross multiply
1,645,169,604.56x = 2,467,667,493.99 × 539,628,835.49 - Step 4: Simplify right side
1,645,169,604.56x = 1,331,624,536,158,350,080 - Step 5: Solve for x
x = 1,331,624,536,158,350,080/1,645,169,604.56 - Step 6: Final answer
x = 809,414,745.12
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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.