Finding the Fourth Proportional to 663,809,205.70, 927,518,902.70 and 663,809,205.70
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Solution
The fourth proportional to 663,809,205.70, 927,518,902.70 and 663,809,205.70 is: 927,518,902.70
Step by Step Solution
- Step 1: Write the proportion equation
663,809,205.70 : 927,518,902.70 = 663,809,205.70 : x - Step 2: Convert to fraction form
663,809,205.70/927,518,902.70 = 663,809,205.70/x - Step 3: Cross multiply
663,809,205.70x = 927,518,902.70 × 663,809,205.70 - Step 4: Simplify right side
663,809,205.70x = 615,695,586,073,022,720 - Step 5: Solve for x
x = 615,695,586,073,022,720/663,809,205.70 - Step 6: Final answer
x = 927,518,902.70
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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.