Finding the Fourth Proportional to 349,078,335,450.80, 481,739,988,991.08 and 202,579,454,412.56
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Solution
The fourth proportional to 349,078,335,450.80, 481,739,988,991.08 and 202,579,454,412.56 is: 279,566,544,891.70
Step by Step Solution
- Step 1: Write the proportion equation
349,078,335,450.80 : 481,739,988,991.08 = 202,579,454,412.56 : x - Step 2: Convert to fraction form
349,078,335,450.80/481,739,988,991.08 = 202,579,454,412.56/x - Step 3: Cross multiply
349,078,335,450.80x = 481,739,988,991.08 × 202,579,454,412.56 - Step 4: Simplify right side
349,078,335,450.80x = 97,590,624,138,525,648,355,328 - Step 5: Solve for x
x = 97,590,624,138,525,648,355,328/349,078,335,450.80 - Step 6: Final answer
x = 279,566,544,891.70
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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.