Finding the Fourth Proportional to 441,328,511.22, 609,033,343.19 and 255,797,143.71
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Solution
The fourth proportional to 441,328,511.22, 609,033,343.19 and 255,797,143.71 is: 353,000,056.99
Step by Step Solution
- Step 1: Write the proportion equation
441,328,511.22 : 609,033,343.19 = 255,797,143.71 : x - Step 2: Convert to fraction form
441,328,511.22/609,033,343.19 = 255,797,143.71/x - Step 3: Cross multiply
441,328,511.22x = 609,033,343.19 × 255,797,143.71 - Step 4: Simplify right side
441,328,511.22x = 155,788,989,612,154,208 - Step 5: Solve for x
x = 155,788,989,612,154,208/441,328,511.22 - Step 6: Final answer
x = 353,000,056.99
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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.