Finding the Fourth Proportional to 1,554,236,415.60, 2,331,354,623.40 and 633,610,892.40
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Solution
The fourth proportional to 1,554,236,415.60, 2,331,354,623.40 and 633,610,892.40 is: 950,416,338.60
Step by Step Solution
- Step 1: Write the proportion equation
1,554,236,415.60 : 2,331,354,623.40 = 633,610,892.40 : x - Step 2: Convert to fraction form
1,554,236,415.60/2,331,354,623.40 = 633,610,892.40/x - Step 3: Cross multiply
1,554,236,415.60x = 2,331,354,623.40 × 633,610,892.40 - Step 4: Simplify right side
1,554,236,415.60x = 1,477,171,683,433,339,904 - Step 5: Solve for x
x = 1,477,171,683,433,339,904/1,554,236,415.60 - Step 6: Final answer
x = 950,416,338.60
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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.