Finding the Fourth Proportional to 5,535,399,926.82, 7,638,846,963.84 and 3,124,589,865.96
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Solution
The fourth proportional to 5,535,399,926.82, 7,638,846,963.84 and 3,124,589,865.96 is: 4,311,931,229.25
Step by Step Solution
- Step 1: Write the proportion equation
5,535,399,926.82 : 7,638,846,963.84 = 3,124,589,865.96 : x - Step 2: Convert to fraction form
5,535,399,926.82/7,638,846,963.84 = 3,124,589,865.96/x - Step 3: Cross multiply
5,535,399,926.82x = 7,638,846,963.84 × 3,124,589,865.96 - Step 4: Simplify right side
5,535,399,926.82x = 23,868,263,810,833,780,736 - Step 5: Solve for x
x = 23,868,263,810,833,780,736/5,535,399,926.82 - Step 6: Final answer
x = 4,311,931,229.25
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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.