Finding the Fourth Proportional to 889,297,922.30, 1,227,216,149.87 and 492,820,104.02
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Solution
The fourth proportional to 889,297,922.30, 1,227,216,149.87 and 492,820,104.02 is: 680,083,440.50
Step by Step Solution
- Step 1: Write the proportion equation
889,297,922.30 : 1,227,216,149.87 = 492,820,104.02 : x - Step 2: Convert to fraction form
889,297,922.30/1,227,216,149.87 = 492,820,104.02/x - Step 3: Cross multiply
889,297,922.30x = 1,227,216,149.87 × 492,820,104.02 - Step 4: Simplify right side
889,297,922.30x = 604,796,790,625,357,056 - Step 5: Solve for x
x = 604,796,790,625,357,056/889,297,922.30 - Step 6: Final answer
x = 680,083,440.50
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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.