Finding the Fourth Proportional to 1,554,228,873.60, 2,331,343,310.40 and 633,603,350.40
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Solution
The fourth proportional to 1,554,228,873.60, 2,331,343,310.40 and 633,603,350.40 is: 950,405,025.60
Step by Step Solution
- Step 1: Write the proportion equation
1,554,228,873.60 : 2,331,343,310.40 = 633,603,350.40 : x - Step 2: Convert to fraction form
1,554,228,873.60/2,331,343,310.40 = 633,603,350.40/x - Step 3: Cross multiply
1,554,228,873.60x = 2,331,343,310.40 × 633,603,350.40 - Step 4: Simplify right side
1,554,228,873.60x = 1,477,146,932,402,067,200 - Step 5: Solve for x
x = 1,477,146,932,402,067,200/1,554,228,873.60 - Step 6: Final answer
x = 950,405,025.60
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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.