Finding the Fourth Proportional to 518,319,060.53, 777,478,590.79 and 324,608,816.03
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Solution
The fourth proportional to 518,319,060.53, 777,478,590.79 and 324,608,816.03 is: 486,913,224.04
Step by Step Solution
- Step 1: Write the proportion equation
518,319,060.53 : 777,478,590.79 = 324,608,816.03 : x - Step 2: Convert to fraction form
518,319,060.53/777,478,590.79 = 324,608,816.03/x - Step 3: Cross multiply
518,319,060.53x = 777,478,590.79 × 324,608,816.03 - Step 4: Simplify right side
518,319,060.53x = 252,376,404,840,315,840 - Step 5: Solve for x
x = 252,376,404,840,315,840/518,319,060.53 - Step 6: Final answer
x = 486,913,224.04
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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.