Finding the Fourth Proportional to 231,695,564,479.70, 347,355,797,481.38 and 72,436,686,963.62
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Solution
The fourth proportional to 231,695,564,479.70, 347,355,797,481.38 and 72,436,686,963.62 is: 108,596,395,548.88
Step by Step Solution
- Step 1: Write the proportion equation
231,695,564,479.70 : 347,355,797,481.38 = 72,436,686,963.62 : x - Step 2: Convert to fraction form
231,695,564,479.70/347,355,797,481.38 = 72,436,686,963.62/x - Step 3: Cross multiply
231,695,564,479.70x = 347,355,797,481.38 × 72,436,686,963.62 - Step 4: Simplify right side
231,695,564,479.70x = 25,161,303,167,157,305,081,856 - Step 5: Solve for x
x = 25,161,303,167,157,305,081,856/231,695,564,479.70 - Step 6: Final answer
x = 108,596,395,548.88
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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.