Finding the Fourth Proportional to 4,540,982,436.40, 6,811,473,654.60 and 3,316,542,372.40
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Solution
The fourth proportional to 4,540,982,436.40, 6,811,473,654.60 and 3,316,542,372.40 is: 4,974,813,558.60
Step by Step Solution
- Step 1: Write the proportion equation
4,540,982,436.40 : 6,811,473,654.60 = 3,316,542,372.40 : x - Step 2: Convert to fraction form
4,540,982,436.40/6,811,473,654.60 = 3,316,542,372.40/x - Step 3: Cross multiply
4,540,982,436.40x = 6,811,473,654.60 × 3,316,542,372.40 - Step 4: Simplify right side
4,540,982,436.40x = 22,590,540,993,967,185,920 - Step 5: Solve for x
x = 22,590,540,993,967,185,920/4,540,982,436.40 - Step 6: Final answer
x = 4,974,813,558.60
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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.