Finding the Fourth Proportional to 5,772,034,808.40, 8,658,052,212.60 and 4,945,537,765.20
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Solution
The fourth proportional to 5,772,034,808.40, 8,658,052,212.60 and 4,945,537,765.20 is: 7,418,306,647.80
Step by Step Solution
- Step 1: Write the proportion equation
5,772,034,808.40 : 8,658,052,212.60 = 4,945,537,765.20 : x - Step 2: Convert to fraction form
5,772,034,808.40/8,658,052,212.60 = 4,945,537,765.20/x - Step 3: Cross multiply
5,772,034,808.40x = 8,658,052,212.60 × 4,945,537,765.20 - Step 4: Simplify right side
5,772,034,808.40x = 42,818,724,190,486,716,416 - Step 5: Solve for x
x = 42,818,724,190,486,716,416/5,772,034,808.40 - Step 6: Final answer
x = 7,418,306,647.80
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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.