Finding the Fourth Proportional to 2,657,361,716.80, 3,986,042,575.20 and 1,104,136,820.80
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Solution
The fourth proportional to 2,657,361,716.80, 3,986,042,575.20 and 1,104,136,820.80 is: 1,656,205,231.20
Step by Step Solution
- Step 1: Write the proportion equation
2,657,361,716.80 : 3,986,042,575.20 = 1,104,136,820.80 : x - Step 2: Convert to fraction form
2,657,361,716.80/3,986,042,575.20 = 1,104,136,820.80/x - Step 3: Cross multiply
2,657,361,716.80x = 3,986,042,575.20 × 1,104,136,820.80 - Step 4: Simplify right side
2,657,361,716.80x = 4,401,136,376,554,772,480 - Step 5: Solve for x
x = 4,401,136,376,554,772,480/2,657,361,716.80 - Step 6: Final answer
x = 1,656,205,231.20
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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.