Finding the Fourth Proportional to 630,135,863.10, 945,203,794.65 and 630,135,863.10
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Solution
The fourth proportional to 630,135,863.10, 945,203,794.65 and 630,135,863.10 is: 945,203,794.65
Step by Step Solution
- Step 1: Write the proportion equation
630,135,863.10 : 945,203,794.65 = 630,135,863.10 : x - Step 2: Convert to fraction form
630,135,863.10/945,203,794.65 = 630,135,863.10/x - Step 3: Cross multiply
630,135,863.10x = 945,203,794.65 × 630,135,863.10 - Step 4: Simplify right side
630,135,863.10x = 595,606,808,947,172,864 - Step 5: Solve for x
x = 595,606,808,947,172,864/630,135,863.10 - Step 6: Final answer
x = 945,203,794.65
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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.