Finding the Fourth Proportional to 510,236,585.12, 703,750,560.66 and 384,794,067.53
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Solution
The fourth proportional to 510,236,585.12, 703,750,560.66 and 384,794,067.53 is: 530,732,308.62
Step by Step Solution
- Step 1: Write the proportion equation
510,236,585.12 : 703,750,560.66 = 384,794,067.53 : x - Step 2: Convert to fraction form
510,236,585.12/703,750,560.66 = 384,794,067.53/x - Step 3: Cross multiply
510,236,585.12x = 703,750,560.66 × 384,794,067.53 - Step 4: Simplify right side
510,236,585.12x = 270,799,040,764,638,784 - Step 5: Solve for x
x = 270,799,040,764,638,784/510,236,585.12 - Step 6: Final answer
x = 530,732,308.62
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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.