Finding the Fourth Proportional to 806,748,589.66, 1,113,297,935.36 and 493,459,789.90
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Solution
The fourth proportional to 806,748,589.66, 1,113,297,935.36 and 493,459,789.90 is: 680,965,262.69
Step by Step Solution
- Step 1: Write the proportion equation
806,748,589.66 : 1,113,297,935.36 = 493,459,789.90 : x - Step 2: Convert to fraction form
806,748,589.66/1,113,297,935.36 = 493,459,789.90/x - Step 3: Cross multiply
806,748,589.66x = 1,113,297,935.36 × 493,459,789.90 - Step 4: Simplify right side
806,748,589.66x = 549,367,765,278,504,512 - Step 5: Solve for x
x = 549,367,765,278,504,512/806,748,589.66 - Step 6: Final answer
x = 680,965,262.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.