Finding the Fourth Proportional to 837,403,517.76, 1,256,292,609.58 and 255,183,330.21
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Solution
The fourth proportional to 837,403,517.76, 1,256,292,609.58 and 255,183,330.21 is: 382,832,081.58
Step by Step Solution
- Step 1: Write the proportion equation
837,403,517.76 : 1,256,292,609.58 = 255,183,330.21 : x - Step 2: Convert to fraction form
837,403,517.76/1,256,292,609.58 = 255,183,330.21/x - Step 3: Cross multiply
837,403,517.76x = 1,256,292,609.58 × 255,183,330.21 - Step 4: Simplify right side
837,403,517.76x = 320,584,931,824,554,304 - Step 5: Solve for x
x = 320,584,931,824,554,304/837,403,517.76 - Step 6: Final answer
x = 382,832,081.58
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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.