Finding the Fourth Proportional to 6,662,795,317.28, 9,934,625,824.96 and 6,479,739,136.88
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Solution
The fourth proportional to 6,662,795,317.28, 9,934,625,824.96 and 6,479,739,136.88 is: 9,661,678,124.99
Step by Step Solution
- Step 1: Write the proportion equation
6,662,795,317.28 : 9,934,625,824.96 = 6,479,739,136.88 : x - Step 2: Convert to fraction form
6,662,795,317.28/9,934,625,824.96 = 6,479,739,136.88/x - Step 3: Cross multiply
6,662,795,317.28x = 9,934,625,824.96 × 6,479,739,136.88 - Step 4: Simplify right side
6,662,795,317.28x = 64,373,783,768,252,063,744 - Step 5: Solve for x
x = 64,373,783,768,252,063,744/6,662,795,317.28 - Step 6: Final answer
x = 9,661,678,124.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.