Finding the Fourth Proportional to 6,218,339,474.40, 9,327,509,211.60 and 2,021,284,176.90
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Solution
The fourth proportional to 6,218,339,474.40, 9,327,509,211.60 and 2,021,284,176.90 is: 3,031,926,265.35
Step by Step Solution
- Step 1: Write the proportion equation
6,218,339,474.40 : 9,327,509,211.60 = 2,021,284,176.90 : x - Step 2: Convert to fraction form
6,218,339,474.40/9,327,509,211.60 = 2,021,284,176.90/x - Step 3: Cross multiply
6,218,339,474.40x = 9,327,509,211.60 × 2,021,284,176.90 - Step 4: Simplify right side
6,218,339,474.40x = 18,853,546,779,296,075,776 - Step 5: Solve for x
x = 18,853,546,779,296,075,776/6,218,339,474.40 - Step 6: Final answer
x = 3,031,926,265.35
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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.