Finding the Fourth Proportional to 796,873,605.20, 1,195,310,407.80 and 577,494,760.40
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Solution
The fourth proportional to 796,873,605.20, 1,195,310,407.80 and 577,494,760.40 is: 866,242,140.60
Step by Step Solution
- Step 1: Write the proportion equation
796,873,605.20 : 1,195,310,407.80 = 577,494,760.40 : x - Step 2: Convert to fraction form
796,873,605.20/1,195,310,407.80 = 577,494,760.40/x - Step 3: Cross multiply
796,873,605.20x = 1,195,310,407.80 × 577,494,760.40 - Step 4: Simplify right side
796,873,605.20x = 690,285,497,556,087,296 - Step 5: Solve for x
x = 690,285,497,556,087,296/796,873,605.20 - Step 6: Final answer
x = 866,242,140.60
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Double scale
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Similar ratio
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1.5x scale
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.