Finding the Fourth Proportional to 2,666,388,102.84, 3,998,124,125.10 and 2,117,218,231.08
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Solution
The fourth proportional to 2,666,388,102.84, 3,998,124,125.10 and 2,117,218,231.08 is: 3,174,669,613.46
Step by Step Solution
- Step 1: Write the proportion equation
2,666,388,102.84 : 3,998,124,125.10 = 2,117,218,231.08 : x - Step 2: Convert to fraction form
2,666,388,102.84/3,998,124,125.10 = 2,117,218,231.08/x - Step 3: Cross multiply
2,666,388,102.84x = 3,998,124,125.10 × 2,117,218,231.08 - Step 4: Simplify right side
2,666,388,102.84x = 8,464,901,287,782,494,208 - Step 5: Solve for x
x = 8,464,901,287,782,494,208/2,666,388,102.84 - Step 6: Final answer
x = 3,174,669,613.46
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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.