Finding the Fourth Proportional to 490,953,960,553.80, 677,418,203,617.58 and 274,146,796,119.75
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Solution
The fourth proportional to 490,953,960,553.80, 677,418,203,617.58 and 274,146,796,119.75 is: 378,267,709,553.60
Step by Step Solution
- Step 1: Write the proportion equation
490,953,960,553.80 : 677,418,203,617.58 = 274,146,796,119.75 : x - Step 2: Convert to fraction form
490,953,960,553.80/677,418,203,617.58 = 274,146,796,119.75/x - Step 3: Cross multiply
490,953,960,553.80x = 677,418,203,617.58 × 274,146,796,119.75 - Step 4: Simplify right side
490,953,960,553.80x = 185,712,030,154,955,994,169,344 - Step 5: Solve for x
x = 185,712,030,154,955,994,169,344/490,953,960,553.80 - Step 6: Final answer
x = 378,267,709,553.60
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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.