Finding the Fourth Proportional to 1,522,263,414.80, 2,283,395,122.20 and 747,422,436.80
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Solution
The fourth proportional to 1,522,263,414.80, 2,283,395,122.20 and 747,422,436.80 is: 1,121,133,655.20
Step by Step Solution
- Step 1: Write the proportion equation
1,522,263,414.80 : 2,283,395,122.20 = 747,422,436.80 : x - Step 2: Convert to fraction form
1,522,263,414.80/2,283,395,122.20 = 747,422,436.80/x - Step 3: Cross multiply
1,522,263,414.80x = 2,283,395,122.20 × 747,422,436.80 - Step 4: Simplify right side
1,522,263,414.80x = 1,706,660,746,411,957,504 - Step 5: Solve for x
x = 1,706,660,746,411,957,504/1,522,263,414.80 - Step 6: Final answer
x = 1,121,133,655.20
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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.