Finding the Fourth Proportional to 477,733,532.87, 658,932,677.30 and 318,883,566.03
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Solution
The fourth proportional to 477,733,532.87, 658,932,677.30 and 318,883,566.03 is: 439,832,641.95
Step by Step Solution
- Step 1: Write the proportion equation
477,733,532.87 : 658,932,677.30 = 318,883,566.03 : x - Step 2: Convert to fraction form
477,733,532.87/658,932,677.30 = 318,883,566.03/x - Step 3: Cross multiply
477,733,532.87x = 658,932,677.30 × 318,883,566.03 - Step 4: Simplify right side
477,733,532.87x = 210,122,801,909,524,768 - Step 5: Solve for x
x = 210,122,801,909,524,768/477,733,532.87 - Step 6: Final answer
x = 439,832,641.95
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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.