Finding the Fourth Proportional to 696,912,442.22, 1,045,403,399.58 and 198,996,806.09
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Solution
The fourth proportional to 696,912,442.22, 1,045,403,399.58 and 198,996,806.09 is: 298,505,127.74
Step by Step Solution
- Step 1: Write the proportion equation
696,912,442.22 : 1,045,403,399.58 = 198,996,806.09 : x - Step 2: Convert to fraction form
696,912,442.22/1,045,403,399.58 = 198,996,806.09/x - Step 3: Cross multiply
696,912,442.22x = 1,045,403,399.58 × 198,996,806.09 - Step 4: Simplify right side
696,912,442.22x = 208,031,937,586,821,056 - Step 5: Solve for x
x = 208,031,937,586,821,056/696,912,442.22 - Step 6: Final answer
x = 298,505,127.74
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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.