Finding the Fourth Proportional to 8,238,699,578.88, 11,369,325,248.10 and 4,479,510,136.68
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Solution
The fourth proportional to 8,238,699,578.88, 11,369,325,248.10 and 4,479,510,136.68 is: 6,181,680,398.52
Step by Step Solution
- Step 1: Write the proportion equation
8,238,699,578.88 : 11,369,325,248.10 = 4,479,510,136.68 : x - Step 2: Convert to fraction form
8,238,699,578.88/11,369,325,248.10 = 4,479,510,136.68/x - Step 3: Cross multiply
8,238,699,578.88x = 11,369,325,248.10 × 4,479,510,136.68 - Step 4: Simplify right side
8,238,699,578.88x = 50,929,007,696,075,808,768 - Step 5: Solve for x
x = 50,929,007,696,075,808,768/8,238,699,578.88 - Step 6: Final answer
x = 6,181,680,398.52
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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.