Finding the Fourth Proportional to 2,355,478,853.12, 3,250,688,647.68 and 1,351,888,396.64
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Solution
The fourth proportional to 2,355,478,853.12, 3,250,688,647.68 and 1,351,888,396.64 is: 1,865,679,353.51
Step by Step Solution
- Step 1: Write the proportion equation
2,355,478,853.12 : 3,250,688,647.68 = 1,351,888,396.64 : x - Step 2: Convert to fraction form
2,355,478,853.12/3,250,688,647.68 = 1,351,888,396.64/x - Step 3: Cross multiply
2,355,478,853.12x = 3,250,688,647.68 × 1,351,888,396.64 - Step 4: Simplify right side
2,355,478,853.12x = 4,394,568,263,887,965,184 - Step 5: Solve for x
x = 4,394,568,263,887,965,184/2,355,478,853.12 - Step 6: Final answer
x = 1,865,679,353.51
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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.