Finding the Fourth Proportional to 363,832,403.90, 545,748,605.85 and 277,738,961.90
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Solution
The fourth proportional to 363,832,403.90, 545,748,605.85 and 277,738,961.90 is: 416,608,442.85
Step by Step Solution
- Step 1: Write the proportion equation
363,832,403.90 : 545,748,605.85 = 277,738,961.90 : x - Step 2: Convert to fraction form
363,832,403.90/545,748,605.85 = 277,738,961.90/x - Step 3: Cross multiply
363,832,403.90x = 545,748,605.85 × 277,738,961.90 - Step 4: Simplify right side
363,832,403.90x = 151,575,651,247,151,264 - Step 5: Solve for x
x = 151,575,651,247,151,264/363,832,403.90 - Step 6: Final answer
x = 416,608,442.85
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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.