Finding the Fourth Proportional to 255,705,707.28, 352,969,837.47 and 167,605,382.55
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Solution
The fourth proportional to 255,705,707.28, 352,969,837.47 and 167,605,382.55 is: 231,358,326.99
Step by Step Solution
- Step 1: Write the proportion equation
255,705,707.28 : 352,969,837.47 = 167,605,382.55 : x - Step 2: Convert to fraction form
255,705,707.28/352,969,837.47 = 167,605,382.55/x - Step 3: Cross multiply
255,705,707.28x = 352,969,837.47 × 167,605,382.55 - Step 4: Simplify right side
255,705,707.28x = 59,159,644,637,770,680 - Step 5: Solve for x
x = 59,159,644,637,770,680/255,705,707.28 - Step 6: Final answer
x = 231,358,326.99
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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.