Finding the Fourth Proportional to 5,971,976,750.40, 8,957,965,125.60 and 1,831,387,387.20
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Solution
The fourth proportional to 5,971,976,750.40, 8,957,965,125.60 and 1,831,387,387.20 is: 2,747,081,080.80
Step by Step Solution
- Step 1: Write the proportion equation
5,971,976,750.40 : 8,957,965,125.60 = 1,831,387,387.20 : x - Step 2: Convert to fraction form
5,971,976,750.40/8,957,965,125.60 = 1,831,387,387.20/x - Step 3: Cross multiply
5,971,976,750.40x = 8,957,965,125.60 × 1,831,387,387.20 - Step 4: Simplify right side
5,971,976,750.40x = 16,405,504,346,001,305,600 - Step 5: Solve for x
x = 16,405,504,346,001,305,600/5,971,976,750.40 - Step 6: Final answer
x = 2,747,081,080.80
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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.