Finding the Fourth Proportional to 659,894,538.24, 989,841,659.76 and 168,608,728.08
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Solution
The fourth proportional to 659,894,538.24, 989,841,659.76 and 168,608,728.08 is: 252,913,054.41
Step by Step Solution
- Step 1: Write the proportion equation
659,894,538.24 : 989,841,659.76 = 168,608,728.08 : x - Step 2: Convert to fraction form
659,894,538.24/989,841,659.76 = 168,608,728.08/x - Step 3: Cross multiply
659,894,538.24x = 989,841,659.76 × 168,608,728.08 - Step 4: Simplify right side
659,894,538.24x = 166,895,943,252,729,728 - Step 5: Solve for x
x = 166,895,943,252,729,728/659,894,538.24 - Step 6: Final answer
x = 252,913,054.41
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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.