Finding the Fourth Proportional to 681,040,125.64, 1,021,560,201.97 and 163,470,566.19
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Solution
The fourth proportional to 681,040,125.64, 1,021,560,201.97 and 163,470,566.19 is: 245,205,852.53
Step by Step Solution
- Step 1: Write the proportion equation
681,040,125.64 : 1,021,560,201.97 = 163,470,566.19 : x - Step 2: Convert to fraction form
681,040,125.64/1,021,560,201.97 = 163,470,566.19/x - Step 3: Cross multiply
681,040,125.64x = 1,021,560,201.97 × 163,470,566.19 - Step 4: Simplify right side
681,040,125.64x = 166,995,024,611,345,376 - Step 5: Solve for x
x = 166,995,024,611,345,376/681,040,125.64 - Step 6: Final answer
x = 245,205,852.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.