Finding the Fourth Proportional to 427,619,371.68, 590,114,733.60 and 232,049,083.68
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Solution
The fourth proportional to 427,619,371.68, 590,114,733.60 and 232,049,083.68 is: 320,227,735.85
Step by Step Solution
- Step 1: Write the proportion equation
427,619,371.68 : 590,114,733.60 = 232,049,083.68 : x - Step 2: Convert to fraction form
427,619,371.68/590,114,733.60 = 232,049,083.68/x - Step 3: Cross multiply
427,619,371.68x = 590,114,733.60 × 232,049,083.68 - Step 4: Simplify right side
427,619,371.68x = 136,935,583,197,947,312 - Step 5: Solve for x
x = 136,935,583,197,947,312/427,619,371.68 - Step 6: Final answer
x = 320,227,735.85
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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.