Finding the Fourth Proportional to 478,095,958.75, 659,755,004.38 and 266,391,850.99
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Solution
The fourth proportional to 478,095,958.75, 659,755,004.38 and 266,391,850.99 is: 367,611,048.79
Step by Step Solution
- Step 1: Write the proportion equation
478,095,958.75 : 659,755,004.38 = 266,391,850.99 : x - Step 2: Convert to fraction form
478,095,958.75/659,755,004.38 = 266,391,850.99/x - Step 3: Cross multiply
478,095,958.75x = 659,755,004.38 × 266,391,850.99 - Step 4: Simplify right side
478,095,958.75x = 175,753,356,816,703,776 - Step 5: Solve for x
x = 175,753,356,816,703,776/478,095,958.75 - Step 6: Final answer
x = 367,611,048.79
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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.