Finding the Fourth Proportional to 4,142,638,387.28, 5,718,203,357.64 and 3,297,416,114
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Solution
The fourth proportional to 4,142,638,387.28, 5,718,203,357.64 and 3,297,416,114 is: 4,551,518,653.55
Step by Step Solution
- Step 1: Write the proportion equation
4,142,638,387.28 : 5,718,203,357.64 = 3,297,416,114 : x - Step 2: Convert to fraction form
4,142,638,387.28/5,718,203,357.64 = 3,297,416,114/x - Step 3: Cross multiply
4,142,638,387.28x = 5,718,203,357.64 × 3,297,416,114 - Step 4: Simplify right side
4,142,638,387.28x = 18,855,295,894,611,042,304 - Step 5: Solve for x
x = 18,855,295,894,611,042,304/4,142,638,387.28 - Step 6: Final answer
x = 4,551,518,653.55
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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.