Finding the Fourth Proportional to 31,253,163,438.23, 43,129,365,481.99 and 17,704,800,579.41
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Solution
The fourth proportional to 31,253,163,438.23, 43,129,365,481.99 and 17,704,800,579.41 is: 24,432,624,764.02
Step by Step Solution
- Step 1: Write the proportion equation
31,253,163,438.23 : 43,129,365,481.99 = 17,704,800,579.41 : x - Step 2: Convert to fraction form
31,253,163,438.23/43,129,365,481.99 = 17,704,800,579.41/x - Step 3: Cross multiply
31,253,163,438.23x = 43,129,365,481.99 × 17,704,800,579.41 - Step 4: Simplify right side
31,253,163,438.23x = 763,596,814,974,957,518,848 - Step 5: Solve for x
x = 763,596,814,974,957,518,848/31,253,163,438.23 - Step 6: Final answer
x = 24,432,624,764.02
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1.5x scale
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.