Finding the Fourth Proportional to 407,861,376.57, 611,796,307.59 and 326,497,465.44
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Solution
The fourth proportional to 407,861,376.57, 611,796,307.59 and 326,497,465.44 is: 489,749,594.52
Step by Step Solution
- Step 1: Write the proportion equation
407,861,376.57 : 611,796,307.59 = 326,497,465.44 : x - Step 2: Convert to fraction form
407,861,376.57/611,796,307.59 = 326,497,465.44/x - Step 3: Cross multiply
407,861,376.57x = 611,796,307.59 × 326,497,465.44 - Step 4: Simplify right side
407,861,376.57x = 199,749,943,793,685,632 - Step 5: Solve for x
x = 199,749,943,793,685,632/407,861,376.57 - Step 6: Final answer
x = 489,749,594.52
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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.