Finding the Fourth Proportional to 279,764,655.03, 386,081,402.27 and 154,320,662.97
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Solution
The fourth proportional to 279,764,655.03, 386,081,402.27 and 154,320,662.97 is: 212,965,922.92
Step by Step Solution
- Step 1: Write the proportion equation
279,764,655.03 : 386,081,402.27 = 154,320,662.97 : x - Step 2: Convert to fraction form
279,764,655.03/386,081,402.27 = 154,320,662.97/x - Step 3: Cross multiply
279,764,655.03x = 386,081,402.27 × 154,320,662.97 - Step 4: Simplify right side
279,764,655.03x = 59,580,337,957,922,056 - Step 5: Solve for x
x = 59,580,337,957,922,056/279,764,655.03 - Step 6: Final answer
x = 212,965,922.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.