Finding the Fourth Proportional to 2,153,158,082.88, 3,229,737,120.67 and 517,382,684.88
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Solution
The fourth proportional to 2,153,158,082.88, 3,229,737,120.67 and 517,382,684.88 is: 776,074,026.44
Step by Step Solution
- Step 1: Write the proportion equation
2,153,158,082.88 : 3,229,737,120.67 = 517,382,684.88 : x - Step 2: Convert to fraction form
2,153,158,082.88/3,229,737,120.67 = 517,382,684.88/x - Step 3: Cross multiply
2,153,158,082.88x = 3,229,737,120.67 × 517,382,684.88 - Step 4: Simplify right side
2,153,158,082.88x = 1,671,010,062,948,845,056 - Step 5: Solve for x
x = 1,671,010,062,948,845,056/2,153,158,082.88 - Step 6: Final answer
x = 776,074,026.44
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1.5x scale
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.