Finding the Fourth Proportional to 8,320,343,026.60, 12,480,514,539.90 and 2,797,765,618.60
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Solution
The fourth proportional to 8,320,343,026.60, 12,480,514,539.90 and 2,797,765,618.60 is: 4,196,648,427.90
Step by Step Solution
- Step 1: Write the proportion equation
8,320,343,026.60 : 12,480,514,539.90 = 2,797,765,618.60 : x - Step 2: Convert to fraction form
8,320,343,026.60/12,480,514,539.90 = 2,797,765,618.60/x - Step 3: Cross multiply
8,320,343,026.60x = 12,480,514,539.90 × 2,797,765,618.60 - Step 4: Simplify right side
8,320,343,026.60x = 34,917,554,482,169,614,336 - Step 5: Solve for x
x = 34,917,554,482,169,614,336/8,320,343,026.60 - Step 6: Final answer
x = 4,196,648,427.90
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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.