Finding the Fourth Proportional to 4,540,646,514.80, 6,810,969,772.20 and 2,091,766,386.80
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Solution
The fourth proportional to 4,540,646,514.80, 6,810,969,772.20 and 2,091,766,386.80 is: 3,137,649,580.20
Step by Step Solution
- Step 1: Write the proportion equation
4,540,646,514.80 : 6,810,969,772.20 = 2,091,766,386.80 : x - Step 2: Convert to fraction form
4,540,646,514.80/6,810,969,772.20 = 2,091,766,386.80/x - Step 3: Cross multiply
4,540,646,514.80x = 6,810,969,772.20 × 2,091,766,386.80 - Step 4: Simplify right side
4,540,646,514.80x = 14,246,957,630,998,812,672 - Step 5: Solve for x
x = 14,246,957,630,998,812,672/4,540,646,514.80 - Step 6: Final answer
x = 3,137,649,580.20
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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.