Finding the Fourth Proportional to 856,120,027.88, 1,283,865,050.64 and 295,739,297.66
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Solution
The fourth proportional to 856,120,027.88, 1,283,865,050.64 and 295,739,297.66 is: 443,500,135.50
Step by Step Solution
- Step 1: Write the proportion equation
856,120,027.88 : 1,283,865,050.64 = 295,739,297.66 : x - Step 2: Convert to fraction form
856,120,027.88/1,283,865,050.64 = 295,739,297.66/x - Step 3: Cross multiply
856,120,027.88x = 1,283,865,050.64 × 295,739,297.66 - Step 4: Simplify right side
856,120,027.88x = 379,689,348,366,494,016 - Step 5: Solve for x
x = 379,689,348,366,494,016/856,120,027.88 - Step 6: Final answer
x = 443,500,135.50
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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.