Finding the Fourth Proportional to 8,981,869,774.13, 12,398,796,810.69 and 5,596,451,701.14
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Solution
The fourth proportional to 8,981,869,774.13, 12,398,796,810.69 and 5,596,451,701.14 is: 7,725,481,358.37
Step by Step Solution
- Step 1: Write the proportion equation
8,981,869,774.13 : 12,398,796,810.69 = 5,596,451,701.14 : x - Step 2: Convert to fraction form
8,981,869,774.13/12,398,796,810.69 = 5,596,451,701.14/x - Step 3: Cross multiply
8,981,869,774.13x = 12,398,796,810.69 × 5,596,451,701.14 - Step 4: Simplify right side
8,981,869,774.13x = 69,389,267,503,275,261,952 - Step 5: Solve for x
x = 69,389,267,503,275,261,952/8,981,869,774.13 - Step 6: Final answer
x = 7,725,481,358.37
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.