Finding the Fourth Proportional to 9,580,341,620.40, 14,370,512,430.60 and 5,438,184,615.60
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Solution
The fourth proportional to 9,580,341,620.40, 14,370,512,430.60 and 5,438,184,615.60 is: 8,157,276,923.40
Step by Step Solution
- Step 1: Write the proportion equation
9,580,341,620.40 : 14,370,512,430.60 = 5,438,184,615.60 : x - Step 2: Convert to fraction form
9,580,341,620.40/14,370,512,430.60 = 5,438,184,615.60/x - Step 3: Cross multiply
9,580,341,620.40x = 14,370,512,430.60 × 5,438,184,615.60 - Step 4: Simplify right side
9,580,341,620.40x = 78,149,499,618,377,482,240 - Step 5: Solve for x
x = 78,149,499,618,377,482,240/9,580,341,620.40 - Step 6: Final answer
x = 8,157,276,923.40
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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.