Finding the Fourth Proportional to 434,582,727.68, 651,864,622.08 and 204,424,239.36
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Solution
The fourth proportional to 434,582,727.68, 651,864,622.08 and 204,424,239.36 is: 306,631,904.69
Step by Step Solution
- Step 1: Write the proportion equation
434,582,727.68 : 651,864,622.08 = 204,424,239.36 : x - Step 2: Convert to fraction form
434,582,727.68/651,864,622.08 = 204,424,239.36/x - Step 3: Cross multiply
434,582,727.68x = 651,864,622.08 × 204,424,239.36 - Step 4: Simplify right side
434,582,727.68x = 133,256,929,534,397,872 - Step 5: Solve for x
x = 133,256,929,534,397,872/434,582,727.68 - Step 6: Final answer
x = 306,631,904.69
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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.