Finding the Fourth Proportional to 2,695,121,398.08, 3,719,442,067.20 and 1,505,696,765.76
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Solution
The fourth proportional to 2,695,121,398.08, 3,719,442,067.20 and 1,505,696,765.76 is: 2,077,959,046.67
Step by Step Solution
- Step 1: Write the proportion equation
2,695,121,398.08 : 3,719,442,067.20 = 1,505,696,765.76 : x - Step 2: Convert to fraction form
2,695,121,398.08/3,719,442,067.20 = 1,505,696,765.76/x - Step 3: Cross multiply
2,695,121,398.08x = 3,719,442,067.20 × 1,505,696,765.76 - Step 4: Simplify right side
2,695,121,398.08x = 5,600,351,891,014,728,704 - Step 5: Solve for x
x = 5,600,351,891,014,728,704/2,695,121,398.08 - Step 6: Final answer
x = 2,077,959,046.67
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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.