Finding the Fourth Proportional to 2,455,419,729.60, 3,389,980,831.20 and 1,597,911,410.88
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Solution
The fourth proportional to 2,455,419,729.60, 3,389,980,831.20 and 1,597,911,410.88 is: 2,206,094,944.80
Step by Step Solution
- Step 1: Write the proportion equation
2,455,419,729.60 : 3,389,980,831.20 = 1,597,911,410.88 : x - Step 2: Convert to fraction form
2,455,419,729.60/3,389,980,831.20 = 1,597,911,410.88/x - Step 3: Cross multiply
2,455,419,729.60x = 3,389,980,831.20 × 1,597,911,410.88 - Step 4: Simplify right side
2,455,419,729.60x = 5,416,889,052,838,946,816 - Step 5: Solve for x
x = 5,416,889,052,838,946,816/2,455,419,729.60 - Step 6: Final answer
x = 2,206,094,944.80
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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.