Finding the Fourth Proportional to 481,467,858, 722,208,429.99 and 136,421,152.83
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Solution
The fourth proportional to 481,467,858, 722,208,429.99 and 136,421,152.83 is: 204,633,611.50
Step by Step Solution
- Step 1: Write the proportion equation
481,467,858 : 722,208,429.99 = 136,421,152.83 : x - Step 2: Convert to fraction form
481,467,858/722,208,429.99 = 136,421,152.83/x - Step 3: Cross multiply
481,467,858x = 722,208,429.99 × 136,421,152.83 - Step 4: Simplify right side
481,467,858x = 98,524,506,602,780,160 - Step 5: Solve for x
x = 98,524,506,602,780,160/481,467,858 - Step 6: Final answer
x = 204,633,611.50
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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.