Finding the Fourth Proportional to 3,485,776,709.94, 4,810,542,035.94 and 1,960,344,849.60
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Solution
The fourth proportional to 3,485,776,709.94, 4,810,542,035.94 and 1,960,344,849.60 is: 2,705,371,596.82
Step by Step Solution
- Step 1: Write the proportion equation
3,485,776,709.94 : 4,810,542,035.94 = 1,960,344,849.60 : x - Step 2: Convert to fraction form
3,485,776,709.94/4,810,542,035.94 = 1,960,344,849.60/x - Step 3: Cross multiply
3,485,776,709.94x = 4,810,542,035.94 × 1,960,344,849.60 - Step 4: Simplify right side
3,485,776,709.94x = 9,430,321,303,939,276,800 - Step 5: Solve for x
x = 9,430,321,303,939,276,800/3,485,776,709.94 - Step 6: Final answer
x = 2,705,371,596.82
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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.