Finding the Fourth Proportional to 3,542,971,407.20, 5,314,457,110.80 and 2,067,596,712.80
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Solution
The fourth proportional to 3,542,971,407.20, 5,314,457,110.80 and 2,067,596,712.80 is: 3,101,395,069.20
Step by Step Solution
- Step 1: Write the proportion equation
3,542,971,407.20 : 5,314,457,110.80 = 2,067,596,712.80 : x - Step 2: Convert to fraction form
3,542,971,407.20/5,314,457,110.80 = 2,067,596,712.80/x - Step 3: Cross multiply
3,542,971,407.20x = 5,314,457,110.80 × 2,067,596,712.80 - Step 4: Simplify right side
3,542,971,407.20x = 10,988,154,052,606,664,704 - Step 5: Solve for x
x = 10,988,154,052,606,664,704/3,542,971,407.20 - Step 6: Final answer
x = 3,101,395,069.20
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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.