Finding the Fourth Proportional to 476,990,748.06, 715,486,371.30 and 149,491,767.84
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Solution
The fourth proportional to 476,990,748.06, 715,486,371.30 and 149,491,767.84 is: 224,237,729.86
Step by Step Solution
- Step 1: Write the proportion equation
476,990,748.06 : 715,486,371.30 = 149,491,767.84 : x - Step 2: Convert to fraction form
476,990,748.06/715,486,371.30 = 149,491,767.84/x - Step 3: Cross multiply
476,990,748.06x = 715,486,371.30 × 149,491,767.84 - Step 4: Simplify right side
476,990,748.06x = 106,959,322,511,063,632 - Step 5: Solve for x
x = 106,959,322,511,063,632/476,990,748.06 - Step 6: Final answer
x = 224,237,729.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.