Finding the Fourth Proportional to 7,245,775,313.80, 10,868,662,970.70 and 6,373,361,768.20
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Solution
The fourth proportional to 7,245,775,313.80, 10,868,662,970.70 and 6,373,361,768.20 is: 9,560,042,652.30
Step by Step Solution
- Step 1: Write the proportion equation
7,245,775,313.80 : 10,868,662,970.70 = 6,373,361,768.20 : x - Step 2: Convert to fraction form
7,245,775,313.80/10,868,662,970.70 = 6,373,361,768.20/x - Step 3: Cross multiply
7,245,775,313.80x = 10,868,662,970.70 × 6,373,361,768.20 - Step 4: Simplify right side
7,245,775,313.80x = 69,269,921,048,910,422,016 - Step 5: Solve for x
x = 69,269,921,048,910,422,016/7,245,775,313.80 - Step 6: Final answer
x = 9,560,042,652.30
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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.