Finding the Fourth Proportional to 336,379,588.20, 504,663,860.70 and 163,862,029.80
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Solution
The fourth proportional to 336,379,588.20, 504,663,860.70 and 163,862,029.80 is: 245,839,068.37
Step by Step Solution
- Step 1: Write the proportion equation
336,379,588.20 : 504,663,860.70 = 163,862,029.80 : x - Step 2: Convert to fraction form
336,379,588.20/504,663,860.70 = 163,862,029.80/x - Step 3: Cross multiply
336,379,588.20x = 504,663,860.70 × 163,862,029.80 - Step 4: Simplify right side
336,379,588.20x = 82,695,244,581,006,448 - Step 5: Solve for x
x = 82,695,244,581,006,448/336,379,588.20 - Step 6: Final answer
x = 245,839,068.37
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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.