Finding the Fourth Proportional to 1,576,203,211.90, 2,364,304,817.85 and 996,507,369.10
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Solution
The fourth proportional to 1,576,203,211.90, 2,364,304,817.85 and 996,507,369.10 is: 1,494,761,053.65
Step by Step Solution
- Step 1: Write the proportion equation
1,576,203,211.90 : 2,364,304,817.85 = 996,507,369.10 : x - Step 2: Convert to fraction form
1,576,203,211.90/2,364,304,817.85 = 996,507,369.10/x - Step 3: Cross multiply
1,576,203,211.90x = 2,364,304,817.85 × 996,507,369.10 - Step 4: Simplify right side
1,576,203,211.90x = 2,356,047,173,786,158,080 - Step 5: Solve for x
x = 2,356,047,173,786,158,080/1,576,203,211.90 - Step 6: Final answer
x = 1,494,761,053.65
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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.