Finding the Fourth Proportional to 853,165,153.08, 1,177,308,442.98 and 481,815,439.92
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Solution
The fourth proportional to 853,165,153.08, 1,177,308,442.98 and 481,815,439.92 is: 664,871,723.05
Step by Step Solution
- Step 1: Write the proportion equation
853,165,153.08 : 1,177,308,442.98 = 481,815,439.92 : x - Step 2: Convert to fraction form
853,165,153.08/1,177,308,442.98 = 481,815,439.92/x - Step 3: Cross multiply
853,165,153.08x = 1,177,308,442.98 × 481,815,439.92 - Step 4: Simplify right side
853,165,153.08x = 567,245,385,375,938,944 - Step 5: Solve for x
x = 567,245,385,375,938,944/853,165,153.08 - Step 6: Final answer
x = 664,871,723.05
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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.