Finding the Fourth Proportional to 7,557,588,548.40, 11,328,068,723.40 and 2,647,735,057.20
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Solution
The fourth proportional to 7,557,588,548.40, 11,328,068,723.40 and 2,647,735,057.20 is: 3,968,689,813.85
Step by Step Solution
- Step 1: Write the proportion equation
7,557,588,548.40 : 11,328,068,723.40 = 2,647,735,057.20 : x - Step 2: Convert to fraction form
7,557,588,548.40/11,328,068,723.40 = 2,647,735,057.20/x - Step 3: Cross multiply
7,557,588,548.40x = 11,328,068,723.40 × 2,647,735,057.20 - Step 4: Simplify right side
7,557,588,548.40x = 29,993,724,689,317,027,840 - Step 5: Solve for x
x = 29,993,724,689,317,027,840/7,557,588,548.40 - Step 6: Final answer
x = 3,968,689,813.85
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1.5x scale
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.