Finding the Fourth Proportional to 1,791,460,084,958.80, 2,689,102,409,071.20 and 772,080,686,604.64
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Solution
The fourth proportional to 1,791,460,084,958.80, 2,689,102,409,071.20 and 772,080,686,604.64 is: 1,158,945,182,076.79
Step by Step Solution
- Step 1: Write the proportion equation
1,791,460,084,958.80 : 2,689,102,409,071.20 = 772,080,686,604.64 : x - Step 2: Convert to fraction form
1,791,460,084,958.80/2,689,102,409,071.20 = 772,080,686,604.64/x - Step 3: Cross multiply
1,791,460,084,958.80x = 2,689,102,409,071.20 × 772,080,686,604.64 - Step 4: Simplify right side
1,791,460,084,958.80x = 2,076,204,034,345,883,655,995,392 - Step 5: Solve for x
x = 2,076,204,034,345,883,655,995,392/1,791,460,084,958.80 - Step 6: Final answer
x = 1,158,945,182,076.79
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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.