Finding the Fourth Proportional to 442,932,247.08, 611,263,984.14 and 254,760,239.88
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Solution
The fourth proportional to 442,932,247.08, 611,263,984.14 and 254,760,239.88 is: 351,579,186.79
Step by Step Solution
- Step 1: Write the proportion equation
442,932,247.08 : 611,263,984.14 = 254,760,239.88 : x - Step 2: Convert to fraction form
442,932,247.08/611,263,984.14 = 254,760,239.88/x - Step 3: Cross multiply
442,932,247.08x = 611,263,984.14 × 254,760,239.88 - Step 4: Simplify right side
442,932,247.08x = 155,725,759,229,510,912 - Step 5: Solve for x
x = 155,725,759,229,510,912/442,932,247.08 - Step 6: Final answer
x = 351,579,186.79
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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.