Finding the Fourth Proportional to 908,344,286.06, 1,253,515,663.92 and 490,656,755.88
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Solution
The fourth proportional to 908,344,286.06, 1,253,515,663.92 and 490,656,755.88 is: 677,106,619.75
Step by Step Solution
- Step 1: Write the proportion equation
908,344,286.06 : 1,253,515,663.92 = 490,656,755.88 : x - Step 2: Convert to fraction form
908,344,286.06/1,253,515,663.92 = 490,656,755.88/x - Step 3: Cross multiply
908,344,286.06x = 1,253,515,663.92 × 490,656,755.88 - Step 4: Simplify right side
908,344,286.06x = 615,045,929,103,751,552 - Step 5: Solve for x
x = 615,045,929,103,751,552/908,344,286.06 - Step 6: Final answer
x = 677,106,619.75
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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.