Finding the Fourth Proportional to 323,512,201.60, 485,268,302.40 and 201,068,195.20
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Solution
The fourth proportional to 323,512,201.60, 485,268,302.40 and 201,068,195.20 is: 301,602,292.80
Step by Step Solution
- Step 1: Write the proportion equation
323,512,201.60 : 485,268,302.40 = 201,068,195.20 : x - Step 2: Convert to fraction form
323,512,201.60/485,268,302.40 = 201,068,195.20/x - Step 3: Cross multiply
323,512,201.60x = 485,268,302.40 × 201,068,195.20 - Step 4: Simplify right side
323,512,201.60x = 97,572,021,751,335,824 - Step 5: Solve for x
x = 97,572,021,751,335,824/323,512,201.60 - Step 6: Final answer
x = 301,602,292.80
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1.5x scale
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.