Finding the Fourth Proportional to 880,086,159.39, 1,213,305,319.92 and 702,074,236.08
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Solution
The fourth proportional to 880,086,159.39, 1,213,305,319.92 and 702,074,236.08 is: 967,894,332.31
Step by Step Solution
- Step 1: Write the proportion equation
880,086,159.39 : 1,213,305,319.92 = 702,074,236.08 : x - Step 2: Convert to fraction form
880,086,159.39/1,213,305,319.92 = 702,074,236.08/x - Step 3: Cross multiply
880,086,159.39x = 1,213,305,319.92 × 702,074,236.08 - Step 4: Simplify right side
880,086,159.39x = 851,830,405,614,634,112 - Step 5: Solve for x
x = 851,830,405,614,634,112/880,086,159.39 - Step 6: Final answer
x = 967,894,332.31
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1.5x scale
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.