Finding the Fourth Proportional to 238,279,310,832.80, 328,813,564,680.28 and 135,382,839,039.34
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Solution
The fourth proportional to 238,279,310,832.80, 328,813,564,680.28 and 135,382,839,039.34 is: 186,821,565,604.99
Step by Step Solution
- Step 1: Write the proportion equation
238,279,310,832.80 : 328,813,564,680.28 = 135,382,839,039.34 : x - Step 2: Convert to fraction form
238,279,310,832.80/328,813,564,680.28 = 135,382,839,039.34/x - Step 3: Cross multiply
238,279,310,832.80x = 328,813,564,680.28 × 135,382,839,039.34 - Step 4: Simplify right side
238,279,310,832.80x = 44,515,713,901,061,958,795,264 - Step 5: Solve for x
x = 44,515,713,901,061,958,795,264/238,279,310,832.80 - Step 6: Final answer
x = 186,821,565,604.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.