Finding the Fourth Proportional to 374,979,902.99, 560,189,173.86 and 242,744,915.34
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Solution
The fourth proportional to 374,979,902.99, 560,189,173.86 and 242,744,915.34 is: 362,640,964.22
Step by Step Solution
- Step 1: Write the proportion equation
374,979,902.99 : 560,189,173.86 = 242,744,915.34 : x - Step 2: Convert to fraction form
374,979,902.99/560,189,173.86 = 242,744,915.34/x - Step 3: Cross multiply
374,979,902.99x = 560,189,173.86 × 242,744,915.34 - Step 4: Simplify right side
374,979,902.99x = 135,983,073,583,030,240 - Step 5: Solve for x
x = 135,983,073,583,030,240/374,979,902.99 - Step 6: Final answer
x = 362,640,964.22
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.