Finding the Fourth Proportional to 292,414,969.20, 438,622,453.80 and 235,019,341.20
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Solution
The fourth proportional to 292,414,969.20, 438,622,453.80 and 235,019,341.20 is: 352,529,011.80
Step by Step Solution
- Step 1: Write the proportion equation
292,414,969.20 : 438,622,453.80 = 235,019,341.20 : x - Step 2: Convert to fraction form
292,414,969.20/438,622,453.80 = 235,019,341.20/x - Step 3: Cross multiply
292,414,969.20x = 438,622,453.80 × 235,019,341.20 - Step 4: Simplify right side
292,414,969.20x = 103,084,760,127,603,440 - Step 5: Solve for x
x = 103,084,760,127,603,440/292,414,969.20 - Step 6: Final answer
x = 352,529,011.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.