Finding the Fourth Proportional to 308,493,566.18, 425,728,955.24 and 169,264,291.04
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Solution
The fourth proportional to 308,493,566.18, 425,728,955.24 and 169,264,291.04 is: 233,589,019.95
Step by Step Solution
- Step 1: Write the proportion equation
308,493,566.18 : 425,728,955.24 = 169,264,291.04 : x - Step 2: Convert to fraction form
308,493,566.18/425,728,955.24 = 169,264,291.04/x - Step 3: Cross multiply
308,493,566.18x = 425,728,955.24 × 169,264,291.04 - Step 4: Simplify right side
308,493,566.18x = 72,060,709,784,751,232 - Step 5: Solve for x
x = 72,060,709,784,751,232/308,493,566.18 - Step 6: Final answer
x = 233,589,019.95
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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.