Finding the Fourth Proportional to 19,958,874,178.41, 27,538,843,008.81 and 11,816,634,587.58
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Solution
The fourth proportional to 19,958,874,178.41, 27,538,843,008.81 and 11,816,634,587.58 is: 16,304,348,726.84
Step by Step Solution
- Step 1: Write the proportion equation
19,958,874,178.41 : 27,538,843,008.81 = 11,816,634,587.58 : x - Step 2: Convert to fraction form
19,958,874,178.41/27,538,843,008.81 = 11,816,634,587.58/x - Step 3: Cross multiply
19,958,874,178.41x = 27,538,843,008.81 × 11,816,634,587.58 - Step 4: Simplify right side
19,958,874,178.41x = 325,416,444,799,839,961,088 - Step 5: Solve for x
x = 325,416,444,799,839,961,088/19,958,874,178.41 - Step 6: Final answer
x = 16,304,348,726.84
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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.