Finding the Fourth Proportional to 5,074,696,643.38, 7,619,517,309.83 and 2,838,125,911.84
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Solution
The fourth proportional to 5,074,696,643.38, 7,619,517,309.83 and 2,838,125,911.84 is: 4,261,367,926.49
Step by Step Solution
- Step 1: Write the proportion equation
5,074,696,643.38 : 7,619,517,309.83 = 2,838,125,911.84 : x - Step 2: Convert to fraction form
5,074,696,643.38/7,619,517,309.83 = 2,838,125,911.84/x - Step 3: Cross multiply
5,074,696,643.38x = 7,619,517,309.83 × 2,838,125,911.84 - Step 4: Simplify right side
5,074,696,643.38x = 21,625,149,512,741,933,056 - Step 5: Solve for x
x = 21,625,149,512,741,933,056/5,074,696,643.38 - Step 6: Final answer
x = 4,261,367,926.49
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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.