Finding the Fourth Proportional to 436,879,232.69, 602,893,317.93 and 235,936,090.15
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Solution
The fourth proportional to 436,879,232.69, 602,893,317.93 and 235,936,090.15 is: 325,591,791.89
Step by Step Solution
- Step 1: Write the proportion equation
436,879,232.69 : 602,893,317.93 = 235,936,090.15 : x - Step 2: Convert to fraction form
436,879,232.69/602,893,317.93 = 235,936,090.15/x - Step 3: Cross multiply
436,879,232.69x = 602,893,317.93 × 235,936,090.15 - Step 4: Simplify right side
436,879,232.69x = 142,244,292,209,965,088 - Step 5: Solve for x
x = 142,244,292,209,965,088/436,879,232.69 - Step 6: Final answer
x = 325,591,791.89
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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.