Finding the Fourth Proportional to 539,665,945.20, 744,741,420.12 and 292,147,299.44
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Solution
The fourth proportional to 539,665,945.20, 744,741,420.12 and 292,147,299.44 is: 403,164,580.99
Step by Step Solution
- Step 1: Write the proportion equation
539,665,945.20 : 744,741,420.12 = 292,147,299.44 : x - Step 2: Convert to fraction form
539,665,945.20/744,741,420.12 = 292,147,299.44/x - Step 3: Cross multiply
539,665,945.20x = 744,741,420.12 × 292,147,299.44 - Step 4: Simplify right side
539,665,945.20x = 217,574,194,669,168,480 - Step 5: Solve for x
x = 217,574,194,669,168,480/539,665,945.20 - Step 6: Final answer
x = 403,164,580.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.