Finding the Fourth Proportional to 7,047,405,659.44, 9,725,675,516.74 and 4,037,240,133.49
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Solution
The fourth proportional to 7,047,405,659.44, 9,725,675,516.74 and 4,037,240,133.49 is: 5,571,537,870.66
Step by Step Solution
- Step 1: Write the proportion equation
7,047,405,659.44 : 9,725,675,516.74 = 4,037,240,133.49 : x - Step 2: Convert to fraction form
7,047,405,659.44/9,725,675,516.74 = 4,037,240,133.49/x - Step 3: Cross multiply
7,047,405,659.44x = 9,725,675,516.74 × 4,037,240,133.49 - Step 4: Simplify right side
7,047,405,659.44x = 39,264,887,521,483,816,960 - Step 5: Solve for x
x = 39,264,887,521,483,816,960/7,047,405,659.44 - Step 6: Final answer
x = 5,571,537,870.66
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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.