Finding the Fourth Proportional to 8,372,212,509.18, 12,560,769,347.12 and 2,699,686,945.55
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Solution
The fourth proportional to 8,372,212,509.18, 12,560,769,347.12 and 2,699,686,945.55 is: 4,050,320,628.54
Step by Step Solution
- Step 1: Write the proportion equation
8,372,212,509.18 : 12,560,769,347.12 = 2,699,686,945.55 : x - Step 2: Convert to fraction form
8,372,212,509.18/12,560,769,347.12 = 2,699,686,945.55/x - Step 3: Cross multiply
8,372,212,509.18x = 12,560,769,347.12 × 2,699,686,945.55 - Step 4: Simplify right side
8,372,212,509.18x = 33,910,145,032,484,466,688 - Step 5: Solve for x
x = 33,910,145,032,484,466,688/8,372,212,509.18 - Step 6: Final answer
x = 4,050,320,628.54
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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.