Finding the Fourth Proportional to 388,356,769.93, 582,531,169.00 and 224,490,259.09
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Solution
The fourth proportional to 388,356,769.93, 582,531,169.00 and 224,490,259.09 is: 336,733,084.58
Step by Step Solution
- Step 1: Write the proportion equation
388,356,769.93 : 582,531,169.00 = 224,490,259.09 : x - Step 2: Convert to fraction form
388,356,769.93/582,531,169.00 = 224,490,259.09/x - Step 3: Cross multiply
388,356,769.93x = 582,531,169.00 × 224,490,259.09 - Step 4: Simplify right side
388,356,769.93x = 130,772,573,054,793,008 - Step 5: Solve for x
x = 130,772,573,054,793,008/388,356,769.93 - Step 6: Final answer
x = 336,733,084.58
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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.