Finding the Fourth Proportional to 404,743,927.87, 558,548,403.00 and 219,104,943.55
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Solution
The fourth proportional to 404,743,927.87, 558,548,403.00 and 219,104,943.55 is: 302,365,787.07
Step by Step Solution
- Step 1: Write the proportion equation
404,743,927.87 : 558,548,403.00 = 219,104,943.55 : x - Step 2: Convert to fraction form
404,743,927.87/558,548,403.00 = 219,104,943.55/x - Step 3: Cross multiply
404,743,927.87x = 558,548,403.00 × 219,104,943.55 - Step 4: Simplify right side
404,743,927.87x = 122,380,716,310,192,064 - Step 5: Solve for x
x = 122,380,716,310,192,064/404,743,927.87 - Step 6: Final answer
x = 302,365,787.07
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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.