Finding the Fourth Proportional to 656,081,230.40, 984,121,845.60 and 528,679,246.40
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Solution
The fourth proportional to 656,081,230.40, 984,121,845.60 and 528,679,246.40 is: 793,018,869.60
Step by Step Solution
- Step 1: Write the proportion equation
656,081,230.40 : 984,121,845.60 = 528,679,246.40 : x - Step 2: Convert to fraction form
656,081,230.40/984,121,845.60 = 528,679,246.40/x - Step 3: Cross multiply
656,081,230.40x = 984,121,845.60 × 528,679,246.40 - Step 4: Simplify right side
656,081,230.40x = 520,284,795,697,585,152 - Step 5: Solve for x
x = 520,284,795,697,585,152/656,081,230.40 - Step 6: Final answer
x = 793,018,869.60
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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.