Finding the Fourth Proportional to 19,958,874,175.91, 27,538,843,005.36 and 11,816,634,585.08
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Solution
The fourth proportional to 19,958,874,175.91, 27,538,843,005.36 and 11,816,634,585.08 is: 16,304,348,723.39
Step by Step Solution
- Step 1: Write the proportion equation
19,958,874,175.91 : 27,538,843,005.36 = 11,816,634,585.08 : x - Step 2: Convert to fraction form
19,958,874,175.91/27,538,843,005.36 = 11,816,634,585.08/x - Step 3: Cross multiply
19,958,874,175.91x = 27,538,843,005.36 × 11,816,634,585.08 - Step 4: Simplify right side
19,958,874,175.91x = 325,416,444,690,225,430,528 - Step 5: Solve for x
x = 325,416,444,690,225,430,528/19,958,874,175.91 - Step 6: Final answer
x = 16,304,348,723.39
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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.