Finding the Fourth Proportional to 313,455,101,383.44, 432,561,259,965.09 and 181,473,016,617.63
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Solution
The fourth proportional to 313,455,101,383.44, 432,561,259,965.09 and 181,473,016,617.63 is: 250,428,837,722.96
Step by Step Solution
- Step 1: Write the proportion equation
313,455,101,383.44 : 432,561,259,965.09 = 181,473,016,617.63 : x - Step 2: Convert to fraction form
313,455,101,383.44/432,561,259,965.09 = 181,473,016,617.63/x - Step 3: Cross multiply
313,455,101,383.44x = 432,561,259,965.09 × 181,473,016,617.63 - Step 4: Simplify right side
313,455,101,383.44x = 78,498,196,717,787,747,975,168 - Step 5: Solve for x
x = 78,498,196,717,787,747,975,168/313,455,101,383.44 - Step 6: Final answer
x = 250,428,837,722.96
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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.