Finding the Fourth Proportional to 10,608,130,923, 14,639,235,191.88 and 5,785,507,567.05
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Solution
The fourth proportional to 10,608,130,923, 14,639,235,191.88 and 5,785,507,567.05 is: 7,984,008,360.49
Step by Step Solution
- Step 1: Write the proportion equation
10,608,130,923 : 14,639,235,191.88 = 5,785,507,567.05 : x - Step 2: Convert to fraction form
10,608,130,923/14,639,235,191.88 = 5,785,507,567.05/x - Step 3: Cross multiply
10,608,130,923x = 14,639,235,191.88 × 5,785,507,567.05 - Step 4: Simplify right side
10,608,130,923x = 84,695,405,978,446,397,440 - Step 5: Solve for x
x = 84,695,405,978,446,397,440/10,608,130,923 - Step 6: Final answer
x = 7,984,008,360.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.