Finding the Fourth Proportional to 305,534,744,356.04, 421,660,232,020.68 and 177,109,348,243.39
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Solution
The fourth proportional to 305,534,744,356.04, 421,660,232,020.68 and 177,109,348,243.39 is: 244,423,818,412.99
Step by Step Solution
- Step 1: Write the proportion equation
305,534,744,356.04 : 421,660,232,020.68 = 177,109,348,243.39 : x - Step 2: Convert to fraction form
305,534,744,356.04/421,660,232,020.68 = 177,109,348,243.39/x - Step 3: Cross multiply
305,534,744,356.04x = 421,660,232,020.68 × 177,109,348,243.39 - Step 4: Simplify right side
305,534,744,356.04x = 74,679,968,873,339,244,511,232 - Step 5: Solve for x
x = 74,679,968,873,339,244,511,232/305,534,744,356.04 - Step 6: Final answer
x = 244,423,818,412.99
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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.