Finding the Fourth Proportional to 6,765,639,576.74, 10,148,847,189.84 and 1,791,232,172.43
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Solution
The fourth proportional to 6,765,639,576.74, 10,148,847,189.84 and 1,791,232,172.43 is: 2,686,950,936.90
Step by Step Solution
- Step 1: Write the proportion equation
6,765,639,576.74 : 10,148,847,189.84 = 1,791,232,172.43 : x - Step 2: Convert to fraction form
6,765,639,576.74/10,148,847,189.84 = 1,791,232,172.43/x - Step 3: Cross multiply
6,765,639,576.74x = 10,148,847,189.84 × 1,791,232,172.43 - Step 4: Simplify right side
6,765,639,576.74x = 18,178,941,599,478,638,592 - Step 5: Solve for x
x = 18,178,941,599,478,638,592/6,765,639,576.74 - Step 6: Final answer
x = 2,686,950,936.90
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1.5x scale
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.