Finding the Fourth Proportional to 366,972,663.90, 550,184,051.68 and 221,372,285.97
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Solution
The fourth proportional to 366,972,663.90, 550,184,051.68 and 221,372,285.97 is: 331,892,571.86
Step by Step Solution
- Step 1: Write the proportion equation
366,972,663.90 : 550,184,051.68 = 221,372,285.97 : x - Step 2: Convert to fraction form
366,972,663.90/550,184,051.68 = 221,372,285.97/x - Step 3: Cross multiply
366,972,663.90x = 550,184,051.68 × 221,372,285.97 - Step 4: Simplify right side
366,972,663.90x = 121,795,501,224,638,208 - Step 5: Solve for x
x = 121,795,501,224,638,208/366,972,663.90 - Step 6: Final answer
x = 331,892,571.86
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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.