Finding the Fourth Proportional to 411,086,859.14, 616,666,524.28 and 115,984,563.96
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Solution
The fourth proportional to 411,086,859.14, 616,666,524.28 and 115,984,563.96 is: 173,987,069.49
Step by Step Solution
- Step 1: Write the proportion equation
411,086,859.14 : 616,666,524.28 = 115,984,563.96 : x - Step 2: Convert to fraction form
411,086,859.14/616,666,524.28 = 115,984,563.96/x - Step 3: Cross multiply
411,086,859.14x = 616,666,524.28 × 115,984,563.96 - Step 4: Simplify right side
411,086,859.14x = 71,523,797,927,344,544 - Step 5: Solve for x
x = 71,523,797,927,344,544/411,086,859.14 - Step 6: Final answer
x = 173,987,069.49
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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.