Finding the Fourth Proportional to 1,193,437,654.76, 1,790,433,421.02 and 375,528,697.96
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Solution
The fourth proportional to 1,193,437,654.76, 1,790,433,421.02 and 375,528,697.96 is: 563,380,188.90
Step by Step Solution
- Step 1: Write the proportion equation
1,193,437,654.76 : 1,790,433,421.02 = 375,528,697.96 : x - Step 2: Convert to fraction form
1,193,437,654.76/1,790,433,421.02 = 375,528,697.96/x - Step 3: Cross multiply
1,193,437,654.76x = 1,790,433,421.02 × 375,528,697.96 - Step 4: Simplify right side
1,193,437,654.76x = 672,359,131,379,709,056 - Step 5: Solve for x
x = 672,359,131,379,709,056/1,193,437,654.76 - Step 6: Final answer
x = 563,380,188.90
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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.