Finding the Fourth Proportional to 461,243,040.84, 691,722,193.02 and 133,742,694.12
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Solution
The fourth proportional to 461,243,040.84, 691,722,193.02 and 133,742,694.12 is: 200,572,759.88
Step by Step Solution
- Step 1: Write the proportion equation
461,243,040.84 : 691,722,193.02 = 133,742,694.12 : x - Step 2: Convert to fraction form
461,243,040.84/691,722,193.02 = 133,742,694.12/x - Step 3: Cross multiply
461,243,040.84x = 691,722,193.02 × 133,742,694.12 - Step 4: Simplify right side
461,243,040.84x = 92,512,789,677,089,456 - Step 5: Solve for x
x = 92,512,789,677,089,456/461,243,040.84 - Step 6: Final answer
x = 200,572,759.88
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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.