Finding the Fourth Proportional to 8,380,586,183.82, 11,565,488,130.69 and 4,570,317,028.68
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Solution
The fourth proportional to 8,380,586,183.82, 11,565,488,130.69 and 4,570,317,028.68 is: 6,307,189,758.48
Step by Step Solution
- Step 1: Write the proportion equation
8,380,586,183.82 : 11,565,488,130.69 = 4,570,317,028.68 : x - Step 2: Convert to fraction form
8,380,586,183.82/11,565,488,130.69 = 4,570,317,028.68/x - Step 3: Cross multiply
8,380,586,183.82x = 11,565,488,130.69 × 4,570,317,028.68 - Step 4: Simplify right side
8,380,586,183.82x = 52,857,947,348,688,936,960 - Step 5: Solve for x
x = 52,857,947,348,688,936,960/8,380,586,183.82 - Step 6: Final answer
x = 6,307,189,758.48
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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.