Finding the Fourth Proportional to 1,465,711,915.68, 2,198,566,473.84 and 375,193,234.08
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Solution
The fourth proportional to 1,465,711,915.68, 2,198,566,473.84 and 375,193,234.08 is: 562,789,492.83
Step by Step Solution
- Step 1: Write the proportion equation
1,465,711,915.68 : 2,198,566,473.84 = 375,193,234.08 : x - Step 2: Convert to fraction form
1,465,711,915.68/2,198,566,473.84 = 375,193,234.08/x - Step 3: Cross multiply
1,465,711,915.68x = 2,198,566,473.84 × 375,193,234.08 - Step 4: Simplify right side
1,465,711,915.68x = 824,887,265,659,891,328 - Step 5: Solve for x
x = 824,887,265,659,891,328/1,465,711,915.68 - Step 6: Final answer
x = 562,789,492.83
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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.