Finding the Fourth Proportional to 456,161,602.73, 629,515,407.02 and 257,952,751.07
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Solution
The fourth proportional to 456,161,602.73, 629,515,407.02 and 257,952,751.07 is: 355,981,805.81
Step by Step Solution
- Step 1: Write the proportion equation
456,161,602.73 : 629,515,407.02 = 257,952,751.07 : x - Step 2: Convert to fraction form
456,161,602.73/629,515,407.02 = 257,952,751.07/x - Step 3: Cross multiply
456,161,602.73x = 629,515,407.02 × 257,952,751.07 - Step 4: Simplify right side
456,161,602.73x = 162,385,231,077,322,432 - Step 5: Solve for x
x = 162,385,231,077,322,432/456,161,602.73 - Step 6: Final answer
x = 355,981,805.81
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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.