Finding the Fourth Proportional to 332,121,760.92, 497,989,903.53 and 157,243,326.81
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Solution
The fourth proportional to 332,121,760.92, 497,989,903.53 and 157,243,326.81 is: 235,773,738.31
Step by Step Solution
- Step 1: Write the proportion equation
332,121,760.92 : 497,989,903.53 = 157,243,326.81 : x - Step 2: Convert to fraction form
332,121,760.92/497,989,903.53 = 157,243,326.81/x - Step 3: Cross multiply
332,121,760.92x = 497,989,903.53 × 157,243,326.81 - Step 4: Simplify right side
332,121,760.92x = 78,305,589,147,570,368 - Step 5: Solve for x
x = 78,305,589,147,570,368/332,121,760.92 - Step 6: Final answer
x = 235,773,738.31
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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.