Finding the Fourth Proportional to 756,467,229.68, 1,044,259,518.72 and 488,673,634.79
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Solution
The fourth proportional to 756,467,229.68, 1,044,259,518.72 and 488,673,634.79 is: 674,585,857.33
Step by Step Solution
- Step 1: Write the proportion equation
756,467,229.68 : 1,044,259,518.72 = 488,673,634.79 : x - Step 2: Convert to fraction form
756,467,229.68/1,044,259,518.72 = 488,673,634.79/x - Step 3: Cross multiply
756,467,229.68x = 1,044,259,518.72 × 488,673,634.79 - Step 4: Simplify right side
756,467,229.68x = 510,302,094,671,737,216 - Step 5: Solve for x
x = 510,302,094,671,737,216/756,467,229.68 - Step 6: Final answer
x = 674,585,857.33
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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.