Finding the Fourth Proportional to 995,682,521.70, 1,493,523,782.55 and 859,521,651.30
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Solution
The fourth proportional to 995,682,521.70, 1,493,523,782.55 and 859,521,651.30 is: 1,289,282,476.95
Step by Step Solution
- Step 1: Write the proportion equation
995,682,521.70 : 1,493,523,782.55 = 859,521,651.30 : x - Step 2: Convert to fraction form
995,682,521.70/1,493,523,782.55 = 859,521,651.30/x - Step 3: Cross multiply
995,682,521.70x = 1,493,523,782.55 × 859,521,651.30 - Step 4: Simplify right side
995,682,521.70x = 1,283,716,027,833,198,080 - Step 5: Solve for x
x = 1,283,716,027,833,198,080/995,682,521.70 - Step 6: Final answer
x = 1,289,282,476.95
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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.