Finding the Fourth Proportional to 496,121,175.86, 684,640,539.70 and 276,104,543.54
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Solution
The fourth proportional to 496,121,175.86, 684,640,539.70 and 276,104,543.54 is: 381,020,550.82
Step by Step Solution
- Step 1: Write the proportion equation
496,121,175.86 : 684,640,539.70 = 276,104,543.54 : x - Step 2: Convert to fraction form
496,121,175.86/684,640,539.70 = 276,104,543.54/x - Step 3: Cross multiply
496,121,175.86x = 684,640,539.70 × 276,104,543.54 - Step 4: Simplify right side
496,121,175.86x = 189,032,363,698,734,304 - Step 5: Solve for x
x = 189,032,363,698,734,304/496,121,175.86 - Step 6: Final answer
x = 381,020,550.82
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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.