Finding the Fourth Proportional to 407,236,550.62, 611,042,691.77 and 185,975,719.63
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Solution
The fourth proportional to 407,236,550.62, 611,042,691.77 and 185,975,719.63 is: 279,049,373.52
Step by Step Solution
- Step 1: Write the proportion equation
407,236,550.62 : 611,042,691.77 = 185,975,719.63 : x - Step 2: Convert to fraction form
407,236,550.62/611,042,691.77 = 185,975,719.63/x - Step 3: Cross multiply
407,236,550.62x = 611,042,691.77 × 185,975,719.63 - Step 4: Simplify right side
407,236,550.62x = 113,639,104,326,578,016 - Step 5: Solve for x
x = 113,639,104,326,578,016/407,236,550.62 - Step 6: Final answer
x = 279,049,373.52
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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.