Finding the Fourth Proportional to 916,320,162.80, 1,374,480,244.20 and 334,073,403.20
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Solution
The fourth proportional to 916,320,162.80, 1,374,480,244.20 and 334,073,403.20 is: 501,110,104.80
Step by Step Solution
- Step 1: Write the proportion equation
916,320,162.80 : 1,374,480,244.20 = 334,073,403.20 : x - Step 2: Convert to fraction form
916,320,162.80/1,374,480,244.20 = 334,073,403.20/x - Step 3: Cross multiply
916,320,162.80x = 1,374,480,244.20 × 334,073,403.20 - Step 4: Simplify right side
916,320,162.80x = 459,177,292,811,061,056 - Step 5: Solve for x
x = 459,177,292,811,061,056/916,320,162.80 - Step 6: Final answer
x = 501,110,104.80
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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.