Finding the Fourth Proportional to 775,804,512.80, 1,163,703,707.40 and 230,546,046.80
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Solution
The fourth proportional to 775,804,512.80, 1,163,703,707.40 and 230,546,046.80 is: 345,818,160.32
Step by Step Solution
- Step 1: Write the proportion equation
775,804,512.80 : 1,163,703,707.40 = 230,546,046.80 : x - Step 2: Convert to fraction form
775,804,512.80/1,163,703,707.40 = 230,546,046.80/x - Step 3: Cross multiply
775,804,512.80x = 1,163,703,707.40 × 230,546,046.80 - Step 4: Simplify right side
775,804,512.80x = 268,287,289,387,573,952 - Step 5: Solve for x
x = 268,287,289,387,573,952/775,804,512.80 - Step 6: Final answer
x = 345,818,160.32
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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.