Finding the Fourth Proportional to 768,394,504.67, 1,060,384,758.80 and 415,970,483.99
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Solution
The fourth proportional to 768,394,504.67, 1,060,384,758.80 and 415,970,483.99 is: 574,039,453.23
Step by Step Solution
- Step 1: Write the proportion equation
768,394,504.67 : 1,060,384,758.80 = 415,970,483.99 : x - Step 2: Convert to fraction form
768,394,504.67/1,060,384,758.80 = 415,970,483.99/x - Step 3: Cross multiply
768,394,504.67x = 1,060,384,758.80 × 415,970,483.99 - Step 4: Simplify right side
768,394,504.67x = 441,088,761,326,273,664 - Step 5: Solve for x
x = 441,088,761,326,273,664/768,394,504.67 - Step 6: Final answer
x = 574,039,453.23
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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.