Finding the Fourth Proportional to 4,851,106,960.60, 7,276,660,440.90 and 4,810,292,291.80
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Solution
The fourth proportional to 4,851,106,960.60, 7,276,660,440.90 and 4,810,292,291.80 is: 7,215,438,437.70
Step by Step Solution
- Step 1: Write the proportion equation
4,851,106,960.60 : 7,276,660,440.90 = 4,810,292,291.80 : x - Step 2: Convert to fraction form
4,851,106,960.60/7,276,660,440.90 = 4,810,292,291.80/x - Step 3: Cross multiply
4,851,106,960.60x = 7,276,660,440.90 × 4,810,292,291.80 - Step 4: Simplify right side
4,851,106,960.60x = 35,002,863,628,907,257,856 - Step 5: Solve for x
x = 35,002,863,628,907,257,856/4,851,106,960.60 - Step 6: Final answer
x = 7,215,438,437.70
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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.