Finding the Fourth Proportional to 452,724,772.26, 679,086,310.80 and 141,856,186.68
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Solution
The fourth proportional to 452,724,772.26, 679,086,310.80 and 141,856,186.68 is: 212,784,014.44
Step by Step Solution
- Step 1: Write the proportion equation
452,724,772.26 : 679,086,310.80 = 141,856,186.68 : x - Step 2: Convert to fraction form
452,724,772.26/679,086,310.80 = 141,856,186.68/x - Step 3: Cross multiply
452,724,772.26x = 679,086,310.80 × 141,856,186.68 - Step 4: Simplify right side
452,724,772.26x = 96,332,594,476,677,296 - Step 5: Solve for x
x = 96,332,594,476,677,296/452,724,772.26 - Step 6: Final answer
x = 212,784,014.44
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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.