Finding the Fourth Proportional to 6,434,081,561.80, 9,651,122,342.70 and 3,985,201,433.80
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Solution
The fourth proportional to 6,434,081,561.80, 9,651,122,342.70 and 3,985,201,433.80 is: 5,977,802,150.70
Step by Step Solution
- Step 1: Write the proportion equation
6,434,081,561.80 : 9,651,122,342.70 = 3,985,201,433.80 : x - Step 2: Convert to fraction form
6,434,081,561.80/9,651,122,342.70 = 3,985,201,433.80/x - Step 3: Cross multiply
6,434,081,561.80x = 9,651,122,342.70 × 3,985,201,433.80 - Step 4: Simplify right side
6,434,081,561.80x = 38,461,666,597,907,259,392 - Step 5: Solve for x
x = 38,461,666,597,907,259,392/6,434,081,561.80 - Step 6: Final answer
x = 5,977,802,150.70
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Double scale
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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.