Finding the Fourth Proportional to 2,102,690,897.37, 3,151,559,437.29 and 858,344,234.49
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Solution
The fourth proportional to 2,102,690,897.37, 3,151,559,437.29 and 858,344,234.49 is: 1,286,505,247.17
Step by Step Solution
- Step 1: Write the proportion equation
2,102,690,897.37 : 3,151,559,437.29 = 858,344,234.49 : x - Step 2: Convert to fraction form
2,102,690,897.37/3,151,559,437.29 = 858,344,234.49/x - Step 3: Cross multiply
2,102,690,897.37x = 3,151,559,437.29 × 858,344,234.49 - Step 4: Simplify right side
2,102,690,897.37x = 2,705,122,872,650,420,224 - Step 5: Solve for x
x = 2,705,122,872,650,420,224/2,102,690,897.37 - Step 6: Final answer
x = 1,286,505,247.17
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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.