Finding the Fourth Proportional to 567,463,804.42, 783,099,696.36 and 306,703,420.42
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Solution
The fourth proportional to 567,463,804.42, 783,099,696.36 and 306,703,420.42 is: 423,250,528.99
Step by Step Solution
- Step 1: Write the proportion equation
567,463,804.42 : 783,099,696.36 = 306,703,420.42 : x - Step 2: Convert to fraction form
567,463,804.42/783,099,696.36 = 306,703,420.42/x - Step 3: Cross multiply
567,463,804.42x = 783,099,696.36 × 306,703,420.42 - Step 4: Simplify right side
567,463,804.42x = 240,179,355,403,475,456 - Step 5: Solve for x
x = 240,179,355,403,475,456/567,463,804.42 - Step 6: Final answer
x = 423,250,528.99
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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.