Finding the Fourth Proportional to 2,721,246,934.15, 4,078,075,737.52 and 2,056,715,393.05
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Solution
The fourth proportional to 2,721,246,934.15, 4,078,075,737.52 and 2,056,715,393.05 is: 3,082,205,086.99
Step by Step Solution
- Step 1: Write the proportion equation
2,721,246,934.15 : 4,078,075,737.52 = 2,056,715,393.05 : x - Step 2: Convert to fraction form
2,721,246,934.15/4,078,075,737.52 = 2,056,715,393.05/x - Step 3: Cross multiply
2,721,246,934.15x = 4,078,075,737.52 × 2,056,715,393.05 - Step 4: Simplify right side
2,721,246,934.15x = 8,387,441,143,381,114,880 - Step 5: Solve for x
x = 8,387,441,143,381,114,880/2,721,246,934.15 - Step 6: Final answer
x = 3,082,205,086.99
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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.