Finding the Fourth Proportional to 284,660,072.44, 392,827,995.66 and 159,211,968.88
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Solution
The fourth proportional to 284,660,072.44, 392,827,995.66 and 159,211,968.88 is: 219,710,892.66
Step by Step Solution
- Step 1: Write the proportion equation
284,660,072.44 : 392,827,995.66 = 159,211,968.88 : x - Step 2: Convert to fraction form
284,660,072.44/392,827,995.66 = 159,211,968.88/x - Step 3: Cross multiply
284,660,072.44x = 392,827,995.66 × 159,211,968.88 - Step 4: Simplify right side
284,660,072.44x = 62,542,918,620,212,696 - Step 5: Solve for x
x = 62,542,918,620,212,696/284,660,072.44 - Step 6: Final answer
x = 219,710,892.66
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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.