Finding the Fourth Proportional to 719,936,445.97, 1,079,904,669.21 and 202,366,886.42
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Solution
The fourth proportional to 719,936,445.97, 1,079,904,669.21 and 202,366,886.42 is: 303,550,329.70
Step by Step Solution
- Step 1: Write the proportion equation
719,936,445.97 : 1,079,904,669.21 = 202,366,886.42 : x - Step 2: Convert to fraction form
719,936,445.97/1,079,904,669.21 = 202,366,886.42/x - Step 3: Cross multiply
719,936,445.97x = 1,079,904,669.21 × 202,366,886.42 - Step 4: Simplify right side
719,936,445.97x = 218,536,945,541,147,520 - Step 5: Solve for x
x = 218,536,945,541,147,520/719,936,445.97 - Step 6: Final answer
x = 303,550,329.70
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1.5x scale
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.