Finding the Fourth Proportional to 5,234,220,194.40, 7,851,330,291.60 and 5,027,595,933.60
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Solution
The fourth proportional to 5,234,220,194.40, 7,851,330,291.60 and 5,027,595,933.60 is: 7,541,393,900.40
Step by Step Solution
- Step 1: Write the proportion equation
5,234,220,194.40 : 7,851,330,291.60 = 5,027,595,933.60 : x - Step 2: Convert to fraction form
5,234,220,194.40/7,851,330,291.60 = 5,027,595,933.60/x - Step 3: Cross multiply
5,234,220,194.40x = 7,851,330,291.60 × 5,027,595,933.60 - Step 4: Simplify right side
5,234,220,194.40x = 39,473,316,247,398,670,336 - Step 5: Solve for x
x = 39,473,316,247,398,670,336/5,234,220,194.40 - Step 6: Final answer
x = 7,541,393,900.40
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Double scale
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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.