Finding the Fourth Proportional to 7,821,302,873.15, 10,793,602,526.75 and 4,253,218,461.92
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Solution
The fourth proportional to 7,821,302,873.15, 10,793,602,526.75 and 4,253,218,461.92 is: 5,869,552,717.99
Step by Step Solution
- Step 1: Write the proportion equation
7,821,302,873.15 : 10,793,602,526.75 = 4,253,218,461.92 : x - Step 2: Convert to fraction form
7,821,302,873.15/10,793,602,526.75 = 4,253,218,461.92/x - Step 3: Cross multiply
7,821,302,873.15x = 10,793,602,526.75 × 4,253,218,461.92 - Step 4: Simplify right side
7,821,302,873.15x = 45,907,549,537,324,228,608 - Step 5: Solve for x
x = 45,907,549,537,324,228,608/7,821,302,873.15 - Step 6: Final answer
x = 5,869,552,717.99
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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.