Finding the Fourth Proportional to 3,443,156,272.80, 5,157,081,658.80 and 2,983,991,248.80
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Solution
The fourth proportional to 3,443,156,272.80, 5,157,081,658.80 and 2,983,991,248.80 is: 4,469,354,661.82
Step by Step Solution
- Step 1: Write the proportion equation
3,443,156,272.80 : 5,157,081,658.80 = 2,983,991,248.80 : x - Step 2: Convert to fraction form
3,443,156,272.80/5,157,081,658.80 = 2,983,991,248.80/x - Step 3: Cross multiply
3,443,156,272.80x = 5,157,081,658.80 × 2,983,991,248.80 - Step 4: Simplify right side
3,443,156,272.80x = 15,388,686,539,206,189,056 - Step 5: Solve for x
x = 15,388,686,539,206,189,056/3,443,156,272.80 - Step 6: Final answer
x = 4,469,354,661.82
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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.