Finding the Fourth Proportional to 4,138,560,436.80, 6,207,840,655.20 and 1,840,845,748.80
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Solution
The fourth proportional to 4,138,560,436.80, 6,207,840,655.20 and 1,840,845,748.80 is: 2,761,268,623.20
Step by Step Solution
- Step 1: Write the proportion equation
4,138,560,436.80 : 6,207,840,655.20 = 1,840,845,748.80 : x - Step 2: Convert to fraction form
4,138,560,436.80/6,207,840,655.20 = 1,840,845,748.80/x - Step 3: Cross multiply
4,138,560,436.80x = 6,207,840,655.20 × 1,840,845,748.80 - Step 4: Simplify right side
4,138,560,436.80x = 11,427,677,079,352,725,504 - Step 5: Solve for x
x = 11,427,677,079,352,725,504/4,138,560,436.80 - Step 6: Final answer
x = 2,761,268,623.20
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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.