Finding the Fourth Proportional to 1,517,083,093.13, 2,275,625,525.42 and 426,566,161.13
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Solution
The fourth proportional to 1,517,083,093.13, 2,275,625,525.42 and 426,566,161.13 is: 639,849,490.73
Step by Step Solution
- Step 1: Write the proportion equation
1,517,083,093.13 : 2,275,625,525.42 = 426,566,161.13 : x - Step 2: Convert to fraction form
1,517,083,093.13/2,275,625,525.42 = 426,566,161.13/x - Step 3: Cross multiply
1,517,083,093.13x = 2,275,625,525.42 × 426,566,161.13 - Step 4: Simplify right side
1,517,083,093.13x = 970,704,844,537,537,024 - Step 5: Solve for x
x = 970,704,844,537,537,024/1,517,083,093.13 - Step 6: Final answer
x = 639,849,490.73
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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.