Finding the Fourth Proportional to 195,570,291,617.20, 293,355,437,425.80 and 194,330,546,052.40
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Solution
The fourth proportional to 195,570,291,617.20, 293,355,437,425.80 and 194,330,546,052.40 is: 291,495,819,078.60
Step by Step Solution
- Step 1: Write the proportion equation
195,570,291,617.20 : 293,355,437,425.80 = 194,330,546,052.40 : x - Step 2: Convert to fraction form
195,570,291,617.20/293,355,437,425.80 = 194,330,546,052.40/x - Step 3: Cross multiply
195,570,291,617.20x = 293,355,437,425.80 × 194,330,546,052.40 - Step 4: Simplify right side
195,570,291,617.20x = 57,007,922,342,396,365,373,440 - Step 5: Solve for x
x = 57,007,922,342,396,365,373,440/195,570,291,617.20 - Step 6: Final answer
x = 291,495,819,078.60
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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.