Finding the Fourth Proportional to 2,660,987,292,851.10, 3,991,437,320,800.70 and 847,838,278,550.94
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Solution
The fourth proportional to 2,660,987,292,851.10, 3,991,437,320,800.70 and 847,838,278,550.94 is: 1,271,743,520,197.64
Step by Step Solution
- Step 1: Write the proportion equation
2,660,987,292,851.10 : 3,991,437,320,800.70 = 847,838,278,550.94 : x - Step 2: Convert to fraction form
2,660,987,292,851.10/3,991,437,320,800.70 = 847,838,278,550.94/x - Step 3: Cross multiply
2,660,987,292,851.10x = 3,991,437,320,800.70 × 847,838,278,550.94 - Step 4: Simplify right side
2,660,987,292,851.10x = 3,384,093,347,011,641,586,221,056 - Step 5: Solve for x
x = 3,384,093,347,011,641,586,221,056/2,660,987,292,851.10 - Step 6: Final answer
x = 1,271,743,520,197.64
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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.