Finding the Fourth Proportional to 873,802,608.44, 1,310,694,944.59 and 505,102,959.05
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Solution
The fourth proportional to 873,802,608.44, 1,310,694,944.59 and 505,102,959.05 is: 757,649,254.57
Step by Step Solution
- Step 1: Write the proportion equation
873,802,608.44 : 1,310,694,944.59 = 505,102,959.05 : x - Step 2: Convert to fraction form
873,802,608.44/1,310,694,944.59 = 505,102,959.05/x - Step 3: Cross multiply
873,802,608.44x = 1,310,694,944.59 × 505,102,959.05 - Step 4: Simplify right side
873,802,608.44x = 662,035,894,921,759,360 - Step 5: Solve for x
x = 662,035,894,921,759,360/873,802,608.44 - Step 6: Final answer
x = 757,649,254.57
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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.