Finding the Fourth Proportional to 539,366,861.80, 809,050,292.70 and 233,256,845.80
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Solution
The fourth proportional to 539,366,861.80, 809,050,292.70 and 233,256,845.80 is: 349,885,268.70
Step by Step Solution
- Step 1: Write the proportion equation
539,366,861.80 : 809,050,292.70 = 233,256,845.80 : x - Step 2: Convert to fraction form
539,366,861.80/809,050,292.70 = 233,256,845.80/x - Step 3: Cross multiply
539,366,861.80x = 809,050,292.70 × 233,256,845.80 - Step 4: Simplify right side
539,366,861.80x = 188,716,519,368,768,800 - Step 5: Solve for x
x = 188,716,519,368,768,800/539,366,861.80 - Step 6: Final answer
x = 349,885,268.70
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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.