Finding the Fourth Proportional to 1,043,107,266.90, 1,564,660,900.35 and 629,858,745.30
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Solution
The fourth proportional to 1,043,107,266.90, 1,564,660,900.35 and 629,858,745.30 is: 944,788,117.95
Step by Step Solution
- Step 1: Write the proportion equation
1,043,107,266.90 : 1,564,660,900.35 = 629,858,745.30 : x - Step 2: Convert to fraction form
1,043,107,266.90/1,564,660,900.35 = 629,858,745.30/x - Step 3: Cross multiply
1,043,107,266.90x = 1,564,660,900.35 × 629,858,745.30 - Step 4: Simplify right side
1,043,107,266.90x = 985,515,351,514,419,200 - Step 5: Solve for x
x = 985,515,351,514,419,200/1,043,107,266.90 - Step 6: Final answer
x = 944,788,117.95
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1.5x scale
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.