Finding the Fourth Proportional to 802,281,946.80, 1,203,422,920.20 and 733,407,193.20
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Solution
The fourth proportional to 802,281,946.80, 1,203,422,920.20 and 733,407,193.20 is: 1,100,110,789.80
Step by Step Solution
- Step 1: Write the proportion equation
802,281,946.80 : 1,203,422,920.20 = 733,407,193.20 : x - Step 2: Convert to fraction form
802,281,946.80/1,203,422,920.20 = 733,407,193.20/x - Step 3: Cross multiply
802,281,946.80x = 1,203,422,920.20 × 733,407,193.20 - Step 4: Simplify right side
802,281,946.80x = 882,599,026,136,429,696 - Step 5: Solve for x
x = 882,599,026,136,429,696/802,281,946.80 - Step 6: Final answer
x = 1,100,110,789.80
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Double scale
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Similar ratio
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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.