Finding the Fourth Proportional to 2,887,443,245.70, 4,331,164,868.55 and 706,409,381.70
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Solution
The fourth proportional to 2,887,443,245.70, 4,331,164,868.55 and 706,409,381.70 is: 1,059,614,072.55
Step by Step Solution
- Step 1: Write the proportion equation
2,887,443,245.70 : 4,331,164,868.55 = 706,409,381.70 : x - Step 2: Convert to fraction form
2,887,443,245.70/4,331,164,868.55 = 706,409,381.70/x - Step 3: Cross multiply
2,887,443,245.70x = 4,331,164,868.55 × 706,409,381.70 - Step 4: Simplify right side
2,887,443,245.70x = 3,059,575,496,833,167,872 - Step 5: Solve for x
x = 3,059,575,496,833,167,872/2,887,443,245.70 - Step 6: Final answer
x = 1,059,614,072.55
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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.