Finding the Fourth Proportional to 364,156,989.80, 546,235,484.70 and 364,156,989.80
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Solution
The fourth proportional to 364,156,989.80, 546,235,484.70 and 364,156,989.80 is: 546,235,484.70
Step by Step Solution
- Step 1: Write the proportion equation
364,156,989.80 : 546,235,484.70 = 364,156,989.80 : x - Step 2: Convert to fraction form
364,156,989.80/546,235,484.70 = 364,156,989.80/x - Step 3: Cross multiply
364,156,989.80x = 546,235,484.70 × 364,156,989.80 - Step 4: Simplify right side
364,156,989.80x = 198,915,469,830,295,968 - Step 5: Solve for x
x = 198,915,469,830,295,968/364,156,989.80 - Step 6: Final answer
x = 546,235,484.70
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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.