Finding the Fourth Proportional to 332,121,767.21, 497,989,912.86 and 157,243,333.05
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Solution
The fourth proportional to 332,121,767.21, 497,989,912.86 and 157,243,333.05 is: 235,773,747.63
Step by Step Solution
- Step 1: Write the proportion equation
332,121,767.21 : 497,989,912.86 = 157,243,333.05 : x - Step 2: Convert to fraction form
332,121,767.21/497,989,912.86 = 157,243,333.05/x - Step 3: Cross multiply
332,121,767.21x = 497,989,912.86 × 157,243,333.05 - Step 4: Simplify right side
332,121,767.21x = 78,305,593,723,385,472 - Step 5: Solve for x
x = 78,305,593,723,385,472/332,121,767.21 - Step 6: Final answer
x = 235,773,747.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.