Finding the Fourth Proportional to 383,858,185.68, 529,173,340.20 and 273,658,579.92
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Solution
The fourth proportional to 383,858,185.68, 529,173,340.20 and 273,658,579.92 is: 377,256,055.00
Step by Step Solution
- Step 1: Write the proportion equation
383,858,185.68 : 529,173,340.20 = 273,658,579.92 : x - Step 2: Convert to fraction form
383,858,185.68/529,173,340.20 = 273,658,579.92/x - Step 3: Cross multiply
383,858,185.68x = 529,173,340.20 × 273,658,579.92 - Step 4: Simplify right side
383,858,185.68x = 144,812,824,810,655,040 - Step 5: Solve for x
x = 144,812,824,810,655,040/383,858,185.68 - Step 6: Final answer
x = 377,256,055.00
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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.