Finding the Fourth Proportional to 2,987,409,381.84, 4,481,052,541.82 and 995,596,063.88
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Solution
The fourth proportional to 2,987,409,381.84, 4,481,052,541.82 and 995,596,063.88 is: 1,493,373,589.77
Step by Step Solution
- Step 1: Write the proportion equation
2,987,409,381.84 : 4,481,052,541.82 = 995,596,063.88 : x - Step 2: Convert to fraction form
2,987,409,381.84/4,481,052,541.82 = 995,596,063.88/x - Step 3: Cross multiply
2,987,409,381.84x = 4,481,052,541.82 × 995,596,063.88 - Step 4: Simplify right side
2,987,409,381.84x = 4,461,318,272,675,460,608 - Step 5: Solve for x
x = 4,461,318,272,675,460,608/2,987,409,381.84 - Step 6: Final answer
x = 1,493,373,589.77
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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.