Finding the Fourth Proportional to 1,576,203,220.90, 2,364,304,831.35 and 996,507,378.10
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Solution
The fourth proportional to 1,576,203,220.90, 2,364,304,831.35 and 996,507,378.10 is: 1,494,761,067.15
Step by Step Solution
- Step 1: Write the proportion equation
1,576,203,220.90 : 2,364,304,831.35 = 996,507,378.10 : x - Step 2: Convert to fraction form
1,576,203,220.90/2,364,304,831.35 = 996,507,378.10/x - Step 3: Cross multiply
1,576,203,220.90x = 2,364,304,831.35 × 996,507,378.10 - Step 4: Simplify right side
1,576,203,220.90x = 2,356,047,208,517,751,296 - Step 5: Solve for x
x = 2,356,047,208,517,751,296/1,576,203,220.90 - Step 6: Final answer
x = 1,494,761,067.15
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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.