Finding the Fourth Proportional to 68,620,407,714.30, 102,930,611,571.45 and 24,438,528,738.30
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Solution
The fourth proportional to 68,620,407,714.30, 102,930,611,571.45 and 24,438,528,738.30 is: 36,657,793,107.45
Step by Step Solution
- Step 1: Write the proportion equation
68,620,407,714.30 : 102,930,611,571.45 = 24,438,528,738.30 : x - Step 2: Convert to fraction form
68,620,407,714.30/102,930,611,571.45 = 24,438,528,738.30/x - Step 3: Cross multiply
68,620,407,714.30x = 102,930,611,571.45 × 24,438,528,738.30 - Step 4: Simplify right side
68,620,407,714.30x = 2,515,472,708,939,675,074,560 - Step 5: Solve for x
x = 2,515,472,708,939,675,074,560/68,620,407,714.30 - Step 6: Final answer
x = 36,657,793,107.45
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1.5x scale
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.