Finding the Fourth Proportional to 932,212,883,073.50, 1,286,440,087,737.60 and 520,687,367,438.95
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Solution
The fourth proportional to 932,212,883,073.50, 1,286,440,087,737.60 and 520,687,367,438.95 is: 718,540,920,013.45
Step by Step Solution
- Step 1: Write the proportion equation
932,212,883,073.50 : 1,286,440,087,737.60 = 520,687,367,438.95 : x - Step 2: Convert to fraction form
932,212,883,073.50/1,286,440,087,737.60 = 520,687,367,438.95/x - Step 3: Cross multiply
932,212,883,073.50x = 1,286,440,087,737.60 × 520,687,367,438.95 - Step 4: Simplify right side
932,212,883,073.50x = 669,833,102,652,022,817,030,144 - Step 5: Solve for x
x = 669,833,102,652,022,817,030,144/932,212,883,073.50 - Step 6: Final answer
x = 718,540,920,013.45
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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.