Finding the Fourth Proportional to 18,475,783,862.40, 27,713,675,793.60 and 18,108,451,843.20
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Solution
The fourth proportional to 18,475,783,862.40, 27,713,675,793.60 and 18,108,451,843.20 is: 27,162,677,764.80
Step by Step Solution
- Step 1: Write the proportion equation
18,475,783,862.40 : 27,713,675,793.60 = 18,108,451,843.20 : x - Step 2: Convert to fraction form
18,475,783,862.40/27,713,675,793.60 = 18,108,451,843.20/x - Step 3: Cross multiply
18,475,783,862.40x = 27,713,675,793.60 × 18,108,451,843.20 - Step 4: Simplify right side
18,475,783,862.40x = 501,851,763,506,463,113,216 - Step 5: Solve for x
x = 501,851,763,506,463,113,216/18,475,783,862.40 - Step 6: Final answer
x = 27,162,677,764.80
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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.