Finding the Fourth Proportional to 411,625,585.68, 568,044,299.88 and 225,998,566.80
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Solution
The fourth proportional to 411,625,585.68, 568,044,299.88 and 225,998,566.80 is: 311,878,566.63
Step by Step Solution
- Step 1: Write the proportion equation
411,625,585.68 : 568,044,299.88 = 225,998,566.80 : x - Step 2: Convert to fraction form
411,625,585.68/568,044,299.88 = 225,998,566.80/x - Step 3: Cross multiply
411,625,585.68x = 568,044,299.88 × 225,998,566.80 - Step 4: Simplify right side
411,625,585.68x = 128,377,197,651,789,424 - Step 5: Solve for x
x = 128,377,197,651,789,424/411,625,585.68 - Step 6: Final answer
x = 311,878,566.63
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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.