Finding the Fourth Proportional to 667,346,944.05, 1,001,020,416.08 and 667,346,944.05
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Solution
The fourth proportional to 667,346,944.05, 1,001,020,416.08 and 667,346,944.05 is: 1,001,020,416.08
Step by Step Solution
- Step 1: Write the proportion equation
667,346,944.05 : 1,001,020,416.08 = 667,346,944.05 : x - Step 2: Convert to fraction form
667,346,944.05/1,001,020,416.08 = 667,346,944.05/x - Step 3: Cross multiply
667,346,944.05x = 1,001,020,416.08 × 667,346,944.05 - Step 4: Simplify right side
667,346,944.05x = 668,027,915,599,310,720 - Step 5: Solve for x
x = 668,027,915,599,310,720/667,346,944.05 - Step 6: Final answer
x = 1,001,020,416.08
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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.