Finding the Fourth Proportional to 579,355,804.66, 799,526,163.20 and 315,053,255.74
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Solution
The fourth proportional to 579,355,804.66, 799,526,163.20 and 315,053,255.74 is: 434,781,732.99
Step by Step Solution
- Step 1: Write the proportion equation
579,355,804.66 : 799,526,163.20 = 315,053,255.74 : x - Step 2: Convert to fraction form
579,355,804.66/799,526,163.20 = 315,053,255.74/x - Step 3: Cross multiply
579,355,804.66x = 799,526,163.20 × 315,053,255.74 - Step 4: Simplify right side
579,355,804.66x = 251,893,320,765,470,592 - Step 5: Solve for x
x = 251,893,320,765,470,592/579,355,804.66 - Step 6: Final answer
x = 434,781,732.99
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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.