Finding the Fourth Proportional to 538,616,553.93, 806,144,668.65 and 490,215,897.09
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Solution
The fourth proportional to 538,616,553.93, 806,144,668.65 and 490,215,897.09 is: 733,703,650.66
Step by Step Solution
- Step 1: Write the proportion equation
538,616,553.93 : 806,144,668.65 = 490,215,897.09 : x - Step 2: Convert to fraction form
538,616,553.93/806,144,668.65 = 490,215,897.09/x - Step 3: Cross multiply
538,616,553.93x = 806,144,668.65 × 490,215,897.09 - Step 4: Simplify right side
538,616,553.93x = 395,184,931,926,580,544 - Step 5: Solve for x
x = 395,184,931,926,580,544/538,616,553.93 - Step 6: Final answer
x = 733,703,650.66
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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.