Finding the Fourth Proportional to 6,887,092,259.21, 10,332,277,638.26 and 2,228,966,229.65
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Solution
The fourth proportional to 6,887,092,259.21, 10,332,277,638.26 and 2,228,966,229.65 is: 3,343,979,877.75
Step by Step Solution
- Step 1: Write the proportion equation
6,887,092,259.21 : 10,332,277,638.26 = 2,228,966,229.65 : x - Step 2: Convert to fraction form
6,887,092,259.21/10,332,277,638.26 = 2,228,966,229.65/x - Step 3: Cross multiply
6,887,092,259.21x = 10,332,277,638.26 × 2,228,966,229.65 - Step 4: Simplify right side
6,887,092,259.21x = 23,030,297,930,986,590,208 - Step 5: Solve for x
x = 23,030,297,930,986,590,208/6,887,092,259.21 - Step 6: Final answer
x = 3,343,979,877.75
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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.