Finding the Fourth Proportional to 415,083,693.84, 572,816,651.99 and 226,914,261.49
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Solution
The fourth proportional to 415,083,693.84, 572,816,651.99 and 226,914,261.49 is: 313,142,311.98
Step by Step Solution
- Step 1: Write the proportion equation
415,083,693.84 : 572,816,651.99 = 226,914,261.49 : x - Step 2: Convert to fraction form
415,083,693.84/572,816,651.99 = 226,914,261.49/x - Step 3: Cross multiply
415,083,693.84x = 572,816,651.99 × 226,914,261.49 - Step 4: Simplify right side
415,083,693.84x = 129,980,267,555,485,200 - Step 5: Solve for x
x = 129,980,267,555,485,200/415,083,693.84 - Step 6: Final answer
x = 313,142,311.98
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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.