Finding the Fourth Proportional to 332,121,758.55, 497,989,899.97 and 157,243,324.43
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Solution
The fourth proportional to 332,121,758.55, 497,989,899.97 and 157,243,324.43 is: 235,773,734.75
Step by Step Solution
- Step 1: Write the proportion equation
332,121,758.55 : 497,989,899.97 = 157,243,324.43 : x - Step 2: Convert to fraction form
332,121,758.55/497,989,899.97 = 157,243,324.43/x - Step 3: Cross multiply
332,121,758.55x = 497,989,899.97 × 157,243,324.43 - Step 4: Simplify right side
332,121,758.55x = 78,305,587,403,845,968 - Step 5: Solve for x
x = 78,305,587,403,845,968/332,121,758.55 - Step 6: Final answer
x = 235,773,734.75
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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.