Finding the Fourth Proportional to 8,311,573,429.98, 11,469,977,517.30 and 4,501,125,959.82
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Solution
The fourth proportional to 8,311,573,429.98, 11,469,977,517.30 and 4,501,125,959.82 is: 6,211,557,173.45
Step by Step Solution
- Step 1: Write the proportion equation
8,311,573,429.98 : 11,469,977,517.30 = 4,501,125,959.82 : x - Step 2: Convert to fraction form
8,311,573,429.98/11,469,977,517.30 = 4,501,125,959.82/x - Step 3: Cross multiply
8,311,573,429.98x = 11,469,977,517.30 × 4,501,125,959.82 - Step 4: Simplify right side
8,311,573,429.98x = 51,627,813,561,670,778,880 - Step 5: Solve for x
x = 51,627,813,561,670,778,880/8,311,573,429.98 - Step 6: Final answer
x = 6,211,557,173.45
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1.5x scale
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.