Finding the Fourth Proportional to 810,691,592.08, 1,118,756,045.61 and 439,413,874.96
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Solution
The fourth proportional to 810,691,592.08, 1,118,756,045.61 and 439,413,874.96 is: 606,392,040.99
Step by Step Solution
- Step 1: Write the proportion equation
810,691,592.08 : 1,118,756,045.61 = 439,413,874.96 : x - Step 2: Convert to fraction form
810,691,592.08/1,118,756,045.61 = 439,413,874.96/x - Step 3: Cross multiply
810,691,592.08x = 1,118,756,045.61 × 439,413,874.96 - Step 4: Simplify right side
810,691,592.08x = 491,596,929,134,219,520 - Step 5: Solve for x
x = 491,596,929,134,219,520/810,691,592.08 - Step 6: Final answer
x = 606,392,040.99
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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.