Finding the Fourth Proportional to 1,791,460,084,958.80, 2,689,102,409,071.20 and 772,080,686,604.60
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Solution
The fourth proportional to 1,791,460,084,958.80, 2,689,102,409,071.20 and 772,080,686,604.60 is: 1,158,945,182,076.73
Step by Step Solution
- Step 1: Write the proportion equation
1,791,460,084,958.80 : 2,689,102,409,071.20 = 772,080,686,604.60 : x - Step 2: Convert to fraction form
1,791,460,084,958.80/2,689,102,409,071.20 = 772,080,686,604.60/x - Step 3: Cross multiply
1,791,460,084,958.80x = 2,689,102,409,071.20 × 772,080,686,604.60 - Step 4: Simplify right side
1,791,460,084,958.80x = 2,076,204,034,345,776,013,377,536 - Step 5: Solve for x
x = 2,076,204,034,345,776,013,377,536/1,791,460,084,958.80 - Step 6: Final answer
x = 1,158,945,182,076.73
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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.