Finding the Fourth Proportional to 4,728,266,466.80, 7,091,755,847.40 and 1,234,945,122.80
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Solution
The fourth proportional to 4,728,266,466.80, 7,091,755,847.40 and 1,234,945,122.80 is: 1,852,249,520.48
Step by Step Solution
- Step 1: Write the proportion equation
4,728,266,466.80 : 7,091,755,847.40 = 1,234,945,122.80 : x - Step 2: Convert to fraction form
4,728,266,466.80/7,091,755,847.40 = 1,234,945,122.80/x - Step 3: Cross multiply
4,728,266,466.80x = 7,091,755,847.40 × 1,234,945,122.80 - Step 4: Simplify right side
4,728,266,466.80x = 8,757,929,295,835,010,048 - Step 5: Solve for x
x = 8,757,929,295,835,010,048/4,728,266,466.80 - Step 6: Final answer
x = 1,852,249,520.48
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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.