Finding the Fourth Proportional to 323,318,642.76, 446,179,906.26 and 174,639,763.26
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Solution
The fourth proportional to 323,318,642.76, 446,179,906.26 and 174,639,763.26 is: 241,002,970.12
Step by Step Solution
- Step 1: Write the proportion equation
323,318,642.76 : 446,179,906.26 = 174,639,763.26 : x - Step 2: Convert to fraction form
323,318,642.76/446,179,906.26 = 174,639,763.26/x - Step 3: Cross multiply
323,318,642.76x = 446,179,906.26 × 174,639,763.26 - Step 4: Simplify right side
323,318,642.76x = 77,920,753,200,615,392 - Step 5: Solve for x
x = 77,920,753,200,615,392/323,318,642.76 - Step 6: Final answer
x = 241,002,970.12
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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.