Finding the Fourth Proportional to 3,285,196,658.98, 4,533,512,293.14 and 1,856,237,085.40
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Solution
The fourth proportional to 3,285,196,658.98, 4,533,512,293.14 and 1,856,237,085.40 is: 2,561,573,786.65
Step by Step Solution
- Step 1: Write the proportion equation
3,285,196,658.98 : 4,533,512,293.14 = 1,856,237,085.40 : x - Step 2: Convert to fraction form
3,285,196,658.98/4,533,512,293.14 = 1,856,237,085.40/x - Step 3: Cross multiply
3,285,196,658.98x = 4,533,512,293.14 × 1,856,237,085.40 - Step 4: Simplify right side
3,285,196,658.98x = 8,415,273,645,629,008,896 - Step 5: Solve for x
x = 8,415,273,645,629,008,896/3,285,196,658.98 - Step 6: Final answer
x = 2,561,573,786.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.