Finding the Fourth Proportional to 886,464,375.60, 1,329,696,563.40 and 868,324,522.80
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Solution
The fourth proportional to 886,464,375.60, 1,329,696,563.40 and 868,324,522.80 is: 1,302,486,784.20
Step by Step Solution
- Step 1: Write the proportion equation
886,464,375.60 : 1,329,696,563.40 = 868,324,522.80 : x - Step 2: Convert to fraction form
886,464,375.60/1,329,696,563.40 = 868,324,522.80/x - Step 3: Cross multiply
886,464,375.60x = 1,329,696,563.40 × 868,324,522.80 - Step 4: Simplify right side
886,464,375.60x = 1,154,608,133,883,105,024 - Step 5: Solve for x
x = 1,154,608,133,883,105,024/886,464,375.60 - Step 6: Final answer
x = 1,302,486,784.20
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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.