Finding the Fourth Proportional to 797,912,761.68, 1,195,830,989.91 and 324,660,279.24
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Solution
The fourth proportional to 797,912,761.68, 1,195,830,989.91 and 324,660,279.24 is: 486,568,008.12
Step by Step Solution
- Step 1: Write the proportion equation
797,912,761.68 : 1,195,830,989.91 = 324,660,279.24 : x - Step 2: Convert to fraction form
797,912,761.68/1,195,830,989.91 = 324,660,279.24/x - Step 3: Cross multiply
797,912,761.68x = 1,195,830,989.91 × 324,660,279.24 - Step 4: Simplify right side
797,912,761.68x = 388,238,823,108,026,240 - Step 5: Solve for x
x = 388,238,823,108,026,240/797,912,761.68 - Step 6: Final answer
x = 486,568,008.12
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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.