Finding the Fourth Proportional to 226,782,545,188.93, 312,960,037,925.45 and 122,496,006,007.99
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Solution
The fourth proportional to 226,782,545,188.93, 312,960,037,925.45 and 122,496,006,007.99 is: 169,044,556,114.49
Step by Step Solution
- Step 1: Write the proportion equation
226,782,545,188.93 : 312,960,037,925.45 = 122,496,006,007.99 : x - Step 2: Convert to fraction form
226,782,545,188.93/312,960,037,925.45 = 122,496,006,007.99/x - Step 3: Cross multiply
226,782,545,188.93x = 312,960,037,925.45 × 122,496,006,007.99 - Step 4: Simplify right side
226,782,545,188.93x = 38,336,354,685,976,708,120,576 - Step 5: Solve for x
x = 38,336,354,685,976,708,120,576/226,782,545,188.93 - Step 6: Final answer
x = 169,044,556,114.49
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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.