Finding the Fourth Proportional to 4,724,352,194.40, 7,086,528,291.60 and 1,452,376,245.60
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Solution
The fourth proportional to 4,724,352,194.40, 7,086,528,291.60 and 1,452,376,245.60 is: 2,178,564,368.40
Step by Step Solution
- Step 1: Write the proportion equation
4,724,352,194.40 : 7,086,528,291.60 = 1,452,376,245.60 : x - Step 2: Convert to fraction form
4,724,352,194.40/7,086,528,291.60 = 1,452,376,245.60/x - Step 3: Cross multiply
4,724,352,194.40x = 7,086,528,291.60 × 1,452,376,245.60 - Step 4: Simplify right side
4,724,352,194.40x = 10,292,305,354,492,190,720 - Step 5: Solve for x
x = 10,292,305,354,492,190,720/4,724,352,194.40 - Step 6: Final answer
x = 2,178,564,368.40
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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.