Finding the Fourth Proportional to 902,464,524.24, 1,245,419,445.96 and 490,425,274.32
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Solution
The fourth proportional to 902,464,524.24, 1,245,419,445.96 and 490,425,274.32 is: 676,796,879.02
Step by Step Solution
- Step 1: Write the proportion equation
902,464,524.24 : 1,245,419,445.96 = 490,425,274.32 : x - Step 2: Convert to fraction form
902,464,524.24/1,245,419,445.96 = 490,425,274.32/x - Step 3: Cross multiply
902,464,524.24x = 1,245,419,445.96 × 490,425,274.32 - Step 4: Simplify right side
902,464,524.24x = 610,785,173,428,395,392 - Step 5: Solve for x
x = 610,785,173,428,395,392/902,464,524.24 - Step 6: Final answer
x = 676,796,879.02
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1.5x scale
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.