Finding the Fourth Proportional to 319,687,415.44, 441,168,627.94 and 173,009,699.44
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Solution
The fourth proportional to 319,687,415.44, 441,168,627.94 and 173,009,699.44 is: 238,753,382.32
Step by Step Solution
- Step 1: Write the proportion equation
319,687,415.44 : 441,168,627.94 = 173,009,699.44 : x - Step 2: Convert to fraction form
319,687,415.44/441,168,627.94 = 173,009,699.44/x - Step 3: Cross multiply
319,687,415.44x = 441,168,627.94 × 173,009,699.44 - Step 4: Simplify right side
319,687,415.44x = 76,326,451,722,256,592 - Step 5: Solve for x
x = 76,326,451,722,256,592/319,687,415.44 - Step 6: Final answer
x = 238,753,382.32
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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.