Finding the Fourth Proportional to 313,455,101,381.94, 432,561,259,963.02 and 181,473,016,616.13
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Solution
The fourth proportional to 313,455,101,381.94, 432,561,259,963.02 and 181,473,016,616.13 is: 250,428,837,720.89
Step by Step Solution
- Step 1: Write the proportion equation
313,455,101,381.94 : 432,561,259,963.02 = 181,473,016,616.13 : x - Step 2: Convert to fraction form
313,455,101,381.94/432,561,259,963.02 = 181,473,016,616.13/x - Step 3: Cross multiply
313,455,101,381.94x = 432,561,259,963.02 × 181,473,016,616.13 - Step 4: Simplify right side
313,455,101,381.94x = 78,498,196,716,763,264,057,344 - Step 5: Solve for x
x = 78,498,196,716,763,264,057,344/313,455,101,381.94 - Step 6: Final answer
x = 250,428,837,720.89
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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.