Finding the Fourth Proportional to 420,749,184.97, 580,622,737.26 and 235,111,726.09
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Solution
The fourth proportional to 420,749,184.97, 580,622,737.26 and 235,111,726.09 is: 324,447,958.17
Step by Step Solution
- Step 1: Write the proportion equation
420,749,184.97 : 580,622,737.26 = 235,111,726.09 : x - Step 2: Convert to fraction form
420,749,184.97/580,622,737.26 = 235,111,726.09/x - Step 3: Cross multiply
420,749,184.97x = 580,622,737.26 × 235,111,726.09 - Step 4: Simplify right side
420,749,184.97x = 136,511,213,964,299,152 - Step 5: Solve for x
x = 136,511,213,964,299,152/420,749,184.97 - Step 6: Final answer
x = 324,447,958.17
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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.