Finding the Fourth Proportional to 3,764,279,972, 5,194,677,635.68 and 2,070,698,149.44
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Solution
The fourth proportional to 3,764,279,972, 5,194,677,635.68 and 2,070,698,149.44 is: 2,857,547,644.48
Step by Step Solution
- Step 1: Write the proportion equation
3,764,279,972 : 5,194,677,635.68 = 2,070,698,149.44 : x - Step 2: Convert to fraction form
3,764,279,972/5,194,677,635.68 = 2,070,698,149.44/x - Step 3: Cross multiply
3,764,279,972x = 5,194,677,635.68 × 2,070,698,149.44 - Step 4: Simplify right side
3,764,279,972x = 10,756,609,367,139,932,160 - Step 5: Solve for x
x = 10,756,609,367,139,932,160/3,764,279,972 - Step 6: Final answer
x = 2,857,547,644.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.