Finding the Fourth Proportional to 938,081,347.92, 1,407,338,197.92 and 324,665,580.96
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Solution
The fourth proportional to 938,081,347.92, 1,407,338,197.92 and 324,665,580.96 is: 487,073,188.96
Step by Step Solution
- Step 1: Write the proportion equation
938,081,347.92 : 1,407,338,197.92 = 324,665,580.96 : x - Step 2: Convert to fraction form
938,081,347.92/1,407,338,197.92 = 324,665,580.96/x - Step 3: Cross multiply
938,081,347.92x = 1,407,338,197.92 × 324,665,580.96 - Step 4: Simplify right side
938,081,347.92x = 456,914,273,634,896,256 - Step 5: Solve for x
x = 456,914,273,634,896,256/938,081,347.92 - Step 6: Final answer
x = 487,073,188.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.