Finding the Fourth Proportional to 775,804,517.80, 1,163,703,714.90 and 230,546,051.80
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Solution
The fourth proportional to 775,804,517.80, 1,163,703,714.90 and 230,546,051.80 is: 345,818,167.82
Step by Step Solution
- Step 1: Write the proportion equation
775,804,517.80 : 1,163,703,714.90 = 230,546,051.80 : x - Step 2: Convert to fraction form
775,804,517.80/1,163,703,714.90 = 230,546,051.80/x - Step 3: Cross multiply
775,804,517.80x = 1,163,703,714.90 × 230,546,051.80 - Step 4: Simplify right side
775,804,517.80x = 268,287,296,935,187,872 - Step 5: Solve for x
x = 268,287,296,935,187,872/775,804,517.80 - Step 6: Final answer
x = 345,818,167.82
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.