Finding the Fourth Proportional to 8,841,612,136.80, 13,262,418,205.20 and 4,192,566,268.80
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Solution
The fourth proportional to 8,841,612,136.80, 13,262,418,205.20 and 4,192,566,268.80 is: 6,288,849,403.20
Step by Step Solution
- Step 1: Write the proportion equation
8,841,612,136.80 : 13,262,418,205.20 = 4,192,566,268.80 : x - Step 2: Convert to fraction form
8,841,612,136.80/13,262,418,205.20 = 4,192,566,268.80/x - Step 3: Cross multiply
8,841,612,136.80x = 13,262,418,205.20 × 4,192,566,268.80 - Step 4: Simplify right side
8,841,612,136.80x = 55,603,567,209,840,566,272 - Step 5: Solve for x
x = 55,603,567,209,840,566,272/8,841,612,136.80 - Step 6: Final answer
x = 6,288,849,403.20
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Double scale
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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.