Finding the Fourth Proportional to 7,047,405,657.94, 9,725,675,514.67 and 4,037,240,131.99
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Solution
The fourth proportional to 7,047,405,657.94, 9,725,675,514.67 and 4,037,240,131.99 is: 5,571,537,868.59
Step by Step Solution
- Step 1: Write the proportion equation
7,047,405,657.94 : 9,725,675,514.67 = 4,037,240,131.99 : x - Step 2: Convert to fraction form
7,047,405,657.94/9,725,675,514.67 = 4,037,240,131.99/x - Step 3: Cross multiply
7,047,405,657.94x = 9,725,675,514.67 × 4,037,240,131.99 - Step 4: Simplify right side
7,047,405,657.94x = 39,264,887,498,489,593,856 - Step 5: Solve for x
x = 39,264,887,498,489,593,856/7,047,405,657.94 - Step 6: Final answer
x = 5,571,537,868.59
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1.5x scale
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.