Finding the Fourth Proportional to 11,056,542,567.80, 15,176,810,906.12 and 9,775,415,463.80
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Solution
The fourth proportional to 11,056,542,567.80, 15,176,810,906.12 and 9,775,415,463.80 is: 13,418,266,253.95
Step by Step Solution
- Step 1: Write the proportion equation
11,056,542,567.80 : 15,176,810,906.12 = 9,775,415,463.80 : x - Step 2: Convert to fraction form
11,056,542,567.80/15,176,810,906.12 = 9,775,415,463.80/x - Step 3: Cross multiply
11,056,542,567.80x = 15,176,810,906.12 × 9,775,415,463.80 - Step 4: Simplify right side
11,056,542,567.80x = 148,359,632,022,853,943,296 - Step 5: Solve for x
x = 148,359,632,022,853,943,296/11,056,542,567.80 - Step 6: Final answer
x = 13,418,266,253.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.