Finding the Fourth Proportional to 327,607,869.05, 451,799,438.74 and 256,090,199.05
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Solution
The fourth proportional to 327,607,869.05, 451,799,438.74 and 256,090,199.05 is: 353,170,418.44
Step by Step Solution
- Step 1: Write the proportion equation
327,607,869.05 : 451,799,438.74 = 256,090,199.05 : x - Step 2: Convert to fraction form
327,607,869.05/451,799,438.74 = 256,090,199.05/x - Step 3: Cross multiply
327,607,869.05x = 451,799,438.74 × 256,090,199.05 - Step 4: Simplify right side
327,607,869.05x = 115,701,408,197,604,896 - Step 5: Solve for x
x = 115,701,408,197,604,896/327,607,869.05 - Step 6: Final answer
x = 353,170,418.44
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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.