Finding the Fourth Proportional to 38,745,902,968.64, 53,469,344,050.08 and 20,924,558,757.44
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Solution
The fourth proportional to 38,745,902,968.64, 53,469,344,050.08 and 20,924,558,757.44 is: 28,875,889,979.99
Step by Step Solution
- Step 1: Write the proportion equation
38,745,902,968.64 : 53,469,344,050.08 = 20,924,558,757.44 : x - Step 2: Convert to fraction form
38,745,902,968.64/53,469,344,050.08 = 20,924,558,757.44/x - Step 3: Cross multiply
38,745,902,968.64x = 53,469,344,050.08 × 20,924,558,757.44 - Step 4: Simplify right side
38,745,902,968.64x = 1,118,822,431,297,673,756,672 - Step 5: Solve for x
x = 1,118,822,431,297,673,756,672/38,745,902,968.64 - Step 6: Final answer
x = 28,875,889,979.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.