Finding the Fourth Proportional to 5,897,684,243.41, 8,138,749,251.76 and 3,221,463,398.70
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Solution
The fourth proportional to 5,897,684,243.41, 8,138,749,251.76 and 3,221,463,398.70 is: 4,445,589,445.56
Step by Step Solution
- Step 1: Write the proportion equation
5,897,684,243.41 : 8,138,749,251.76 = 3,221,463,398.70 : x - Step 2: Convert to fraction form
5,897,684,243.41/8,138,749,251.76 = 3,221,463,398.70/x - Step 3: Cross multiply
5,897,684,243.41x = 8,138,749,251.76 × 3,221,463,398.70 - Step 4: Simplify right side
5,897,684,243.41x = 26,218,682,825,741,852,672 - Step 5: Solve for x
x = 26,218,682,825,741,852,672/5,897,684,243.41 - Step 6: Final answer
x = 4,445,589,445.56
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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.