Finding the Fourth Proportional to 8,947,230,723, 13,418,693,420.40 and 2,736,449,817.12
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Solution
The fourth proportional to 8,947,230,723, 13,418,693,420.40 and 2,736,449,817.12 is: 4,104,016,347.97
Step by Step Solution
- Step 1: Write the proportion equation
8,947,230,723 : 13,418,693,420.40 = 2,736,449,817.12 : x - Step 2: Convert to fraction form
8,947,230,723/13,418,693,420.40 = 2,736,449,817.12/x - Step 3: Cross multiply
8,947,230,723x = 13,418,693,420.40 × 2,736,449,817.12 - Step 4: Simplify right side
8,947,230,723x = 36,719,581,156,242,923,520 - Step 5: Solve for x
x = 36,719,581,156,242,923,520/8,947,230,723 - Step 6: Final answer
x = 4,104,016,347.97
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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.