Finding the Fourth Proportional to 3,220,411,451.60, 4,828,916,566.20 and 1,378,082,651.60
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Solution
The fourth proportional to 3,220,411,451.60, 4,828,916,566.20 and 1,378,082,651.60 is: 2,066,396,249.65
Step by Step Solution
- Step 1: Write the proportion equation
3,220,411,451.60 : 4,828,916,566.20 = 1,378,082,651.60 : x - Step 2: Convert to fraction form
3,220,411,451.60/4,828,916,566.20 = 1,378,082,651.60/x - Step 3: Cross multiply
3,220,411,451.60x = 4,828,916,566.20 × 1,378,082,651.60 - Step 4: Simplify right side
3,220,411,451.60x = 6,654,646,145,904,062,464 - Step 5: Solve for x
x = 6,654,646,145,904,062,464/3,220,411,451.60 - Step 6: Final answer
x = 2,066,396,249.65
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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.