Finding the Fourth Proportional to 325,236,888.26, 487,263,439.98 and 290,369,044.25
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Solution
The fourth proportional to 325,236,888.26, 487,263,439.98 and 290,369,044.25 is: 435,025,129.29
Step by Step Solution
- Step 1: Write the proportion equation
325,236,888.26 : 487,263,439.98 = 290,369,044.25 : x - Step 2: Convert to fraction form
325,236,888.26/487,263,439.98 = 290,369,044.25/x - Step 3: Cross multiply
325,236,888.26x = 487,263,439.98 × 290,369,044.25 - Step 4: Simplify right side
325,236,888.26x = 141,486,219,366,178,000 - Step 5: Solve for x
x = 141,486,219,366,178,000/325,236,888.26 - Step 6: Final answer
x = 435,025,129.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.