Finding the Fourth Proportional to 373,250,453.70, 559,875,680.55 and 318,830,895.30
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Solution
The fourth proportional to 373,250,453.70, 559,875,680.55 and 318,830,895.30 is: 478,246,342.95
Step by Step Solution
- Step 1: Write the proportion equation
373,250,453.70 : 559,875,680.55 = 318,830,895.30 : x - Step 2: Convert to fraction form
373,250,453.70/559,875,680.55 = 318,830,895.30/x - Step 3: Cross multiply
373,250,453.70x = 559,875,680.55 × 318,830,895.30 - Step 4: Simplify right side
373,250,453.70x = 178,505,664,486,453,280 - Step 5: Solve for x
x = 178,505,664,486,453,280/373,250,453.70 - Step 6: Final answer
x = 478,246,342.95
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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.