Finding the Fourth Proportional to 292,414,927.20, 438,622,390.80 and 235,019,299.20
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Solution
The fourth proportional to 292,414,927.20, 438,622,390.80 and 235,019,299.20 is: 352,528,948.80
Step by Step Solution
- Step 1: Write the proportion equation
292,414,927.20 : 438,622,390.80 = 235,019,299.20 : x - Step 2: Convert to fraction form
292,414,927.20/438,622,390.80 = 235,019,299.20/x - Step 3: Cross multiply
292,414,927.20x = 438,622,390.80 × 235,019,299.20 - Step 4: Simplify right side
292,414,927.20x = 103,084,726,899,244,528 - Step 5: Solve for x
x = 103,084,726,899,244,528/292,414,927.20 - Step 6: Final answer
x = 352,528,948.80
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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.