Finding the Fourth Proportional to 2,380,196,621.70, 3,570,294,932.55 and 2,121,703,719.30
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Solution
The fourth proportional to 2,380,196,621.70, 3,570,294,932.55 and 2,121,703,719.30 is: 3,182,555,578.95
Step by Step Solution
- Step 1: Write the proportion equation
2,380,196,621.70 : 3,570,294,932.55 = 2,121,703,719.30 : x - Step 2: Convert to fraction form
2,380,196,621.70/3,570,294,932.55 = 2,121,703,719.30/x - Step 3: Cross multiply
2,380,196,621.70x = 3,570,294,932.55 × 2,121,703,719.30 - Step 4: Simplify right side
2,380,196,621.70x = 7,575,108,037,389,278,208 - Step 5: Solve for x
x = 7,575,108,037,389,278,208/2,380,196,621.70 - Step 6: Final answer
x = 3,182,555,578.95
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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.