Finding the Fourth Proportional to 323,627,511.37, 446,727,416.75 and 212,125,537.75
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Solution
The fourth proportional to 323,627,511.37, 446,727,416.75 and 212,125,537.75 is: 292,812,848.65
Step by Step Solution
- Step 1: Write the proportion equation
323,627,511.37 : 446,727,416.75 = 212,125,537.75 : x - Step 2: Convert to fraction form
323,627,511.37/446,727,416.75 = 212,125,537.75/x - Step 3: Cross multiply
323,627,511.37x = 446,727,416.75 × 212,125,537.75 - Step 4: Simplify right side
323,627,511.37x = 94,762,293,505,762,112 - Step 5: Solve for x
x = 94,762,293,505,762,112/323,627,511.37 - Step 6: Final answer
x = 292,812,848.65
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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.