Finding the Fourth Proportional to 8,740,476,020.12, 13,115,018,439.84 and 4,081,672,895.36
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Solution
The fourth proportional to 8,740,476,020.12, 13,115,018,439.84 and 4,081,672,895.36 is: 6,124,519,438.62
Step by Step Solution
- Step 1: Write the proportion equation
8,740,476,020.12 : 13,115,018,439.84 = 4,081,672,895.36 : x - Step 2: Convert to fraction form
8,740,476,020.12/13,115,018,439.84 = 4,081,672,895.36/x - Step 3: Cross multiply
8,740,476,020.12x = 13,115,018,439.84 × 4,081,672,895.36 - Step 4: Simplify right side
8,740,476,020.12x = 53,531,215,288,041,521,152 - Step 5: Solve for x
x = 53,531,215,288,041,521,152/8,740,476,020.12 - Step 6: Final answer
x = 6,124,519,438.62
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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.