Finding the Fourth Proportional to 680,467,530.80, 1,020,701,296.20 and 195,793,338.80
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Solution
The fourth proportional to 680,467,530.80, 1,020,701,296.20 and 195,793,338.80 is: 293,690,008.20
Step by Step Solution
- Step 1: Write the proportion equation
680,467,530.80 : 1,020,701,296.20 = 195,793,338.80 : x - Step 2: Convert to fraction form
680,467,530.80/1,020,701,296.20 = 195,793,338.80/x - Step 3: Cross multiply
680,467,530.80x = 1,020,701,296.20 × 195,793,338.80 - Step 4: Simplify right side
680,467,530.80x = 199,846,514,700,485,760 - Step 5: Solve for x
x = 199,846,514,700,485,760/680,467,530.80 - Step 6: Final answer
x = 293,690,008.20
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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.