Finding the Fourth Proportional to 319,662,201, 441,133,837.74 and 172,984,485
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Solution
The fourth proportional to 319,662,201, 441,133,837.74 and 172,984,485 is: 238,718,589.49
Step by Step Solution
- Step 1: Write the proportion equation
319,662,201 : 441,133,837.74 = 172,984,485 : x - Step 2: Convert to fraction form
319,662,201/441,133,837.74 = 172,984,485/x - Step 3: Cross multiply
319,662,201x = 441,133,837.74 × 172,984,485 - Step 4: Simplify right side
319,662,201x = 76,309,309,737,527,472 - Step 5: Solve for x
x = 76,309,309,737,527,472/319,662,201 - Step 6: Final answer
x = 238,718,589.49
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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.