Finding the Fourth Proportional to 8,258,613,911.79, 11,398,254,021.81 and 4,872,351,077.79
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Solution
The fourth proportional to 8,258,613,911.79, 11,398,254,021.81 and 4,872,351,077.79 is: 6,724,650,874.99
Step by Step Solution
- Step 1: Write the proportion equation
8,258,613,911.79 : 11,398,254,021.81 = 4,872,351,077.79 : x - Step 2: Convert to fraction form
8,258,613,911.79/11,398,254,021.81 = 4,872,351,077.79/x - Step 3: Cross multiply
8,258,613,911.79x = 11,398,254,021.81 × 4,872,351,077.79 - Step 4: Simplify right side
8,258,613,911.79x = 55,536,295,268,090,150,912 - Step 5: Solve for x
x = 55,536,295,268,090,150,912/8,258,613,911.79 - Step 6: Final answer
x = 6,724,650,874.99
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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.