Finding the Fourth Proportional to 824,179,391.50, 1,236,460,308.96 and 271,461,984.99
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Solution
The fourth proportional to 824,179,391.50, 1,236,460,308.96 and 271,461,984.99 is: 407,255,960.65
Step by Step Solution
- Step 1: Write the proportion equation
824,179,391.50 : 1,236,460,308.96 = 271,461,984.99 : x - Step 2: Convert to fraction form
824,179,391.50/1,236,460,308.96 = 271,461,984.99/x - Step 3: Cross multiply
824,179,391.50x = 1,236,460,308.96 × 271,461,984.99 - Step 4: Simplify right side
824,179,391.50x = 335,651,969,831,630,336 - Step 5: Solve for x
x = 335,651,969,831,630,336/824,179,391.50 - Step 6: Final answer
x = 407,255,960.65
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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.