Finding the Fourth Proportional to 293,504,211.20, 440,256,316.80 and 166,102,227.20
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Solution
The fourth proportional to 293,504,211.20, 440,256,316.80 and 166,102,227.20 is: 249,153,340.80
Step by Step Solution
- Step 1: Write the proportion equation
293,504,211.20 : 440,256,316.80 = 166,102,227.20 : x - Step 2: Convert to fraction form
293,504,211.20/440,256,316.80 = 166,102,227.20/x - Step 3: Cross multiply
293,504,211.20x = 440,256,316.80 × 166,102,227.20 - Step 4: Simplify right side
293,504,211.20x = 73,127,554,759,348,768 - Step 5: Solve for x
x = 73,127,554,759,348,768/293,504,211.20 - Step 6: Final answer
x = 249,153,340.80
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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.