Finding the Fourth Proportional to 664,273,357.10, 996,410,035.65 and 664,273,357.10
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Solution
The fourth proportional to 664,273,357.10, 996,410,035.65 and 664,273,357.10 is: 996,410,035.65
Step by Step Solution
- Step 1: Write the proportion equation
664,273,357.10 : 996,410,035.65 = 664,273,357.10 : x - Step 2: Convert to fraction form
664,273,357.10/996,410,035.65 = 664,273,357.10/x - Step 3: Cross multiply
664,273,357.10x = 996,410,035.65 × 664,273,357.10 - Step 4: Simplify right side
664,273,357.10x = 661,888,639,429,356,160 - Step 5: Solve for x
x = 661,888,639,429,356,160/664,273,357.10 - Step 6: Final answer
x = 996,410,035.65
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Double scale
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Similar ratio
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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.