Finding the Fourth Proportional to 326,144,865.84, 450,168,178.68 and 192,299,532.72
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Solution
The fourth proportional to 326,144,865.84, 450,168,178.68 and 192,299,532.72 is: 265,425,396.73
Step by Step Solution
- Step 1: Write the proportion equation
326,144,865.84 : 450,168,178.68 = 192,299,532.72 : x - Step 2: Convert to fraction form
326,144,865.84/450,168,178.68 = 192,299,532.72/x - Step 3: Cross multiply
326,144,865.84x = 450,168,178.68 × 192,299,532.72 - Step 4: Simplify right side
326,144,865.84x = 86,567,130,405,577,472 - Step 5: Solve for x
x = 86,567,130,405,577,472/326,144,865.84 - Step 6: Final answer
x = 265,425,396.73
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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.