Finding the Fourth Proportional to 326,618,274.70, 489,927,412.05 and 144,865,452.70
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Solution
The fourth proportional to 326,618,274.70, 489,927,412.05 and 144,865,452.70 is: 217,298,179.05
Step by Step Solution
- Step 1: Write the proportion equation
326,618,274.70 : 489,927,412.05 = 144,865,452.70 : x - Step 2: Convert to fraction form
326,618,274.70/489,927,412.05 = 144,865,452.70/x - Step 3: Cross multiply
326,618,274.70x = 489,927,412.05 × 144,865,452.70 - Step 4: Simplify right side
326,618,274.70x = 70,973,556,336,762,680 - Step 5: Solve for x
x = 70,973,556,336,762,680/326,618,274.70 - Step 6: Final answer
x = 217,298,179.05
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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.