Finding the Fourth Proportional to 460,876,847.02, 636,059,337.60 and 282,379,194.78
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Solution
The fourth proportional to 460,876,847.02, 636,059,337.60 and 282,379,194.78 is: 389,713,487.99
Step by Step Solution
- Step 1: Write the proportion equation
460,876,847.02 : 636,059,337.60 = 282,379,194.78 : x - Step 2: Convert to fraction form
460,876,847.02/636,059,337.60 = 282,379,194.78/x - Step 3: Cross multiply
460,876,847.02x = 636,059,337.60 × 282,379,194.78 - Step 4: Simplify right side
460,876,847.02x = 179,609,923,582,376,256 - Step 5: Solve for x
x = 179,609,923,582,376,256/460,876,847.02 - Step 6: Final answer
x = 389,713,487.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.