Finding the Fourth Proportional to 420,059,122.10, 629,080,913.55 and 204,396,427.70
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Solution
The fourth proportional to 420,059,122.10, 629,080,913.55 and 204,396,427.70 is: 306,104,271.28
Step by Step Solution
- Step 1: Write the proportion equation
420,059,122.10 : 629,080,913.55 = 204,396,427.70 : x - Step 2: Convert to fraction form
420,059,122.10/629,080,913.55 = 204,396,427.70/x - Step 3: Cross multiply
420,059,122.10x = 629,080,913.55 × 204,396,427.70 - Step 4: Simplify right side
420,059,122.10x = 128,581,891,463,872,512 - Step 5: Solve for x
x = 128,581,891,463,872,512/420,059,122.10 - Step 6: Final answer
x = 306,104,271.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.