Finding the Fourth Proportional to 797,100,332.70, 1,195,569,771.04 and 214,893,431.18
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Solution
The fourth proportional to 797,100,332.70, 1,195,569,771.04 and 214,893,431.18 is: 322,318,382.99
Step by Step Solution
- Step 1: Write the proportion equation
797,100,332.70 : 1,195,569,771.04 = 214,893,431.18 : x - Step 2: Convert to fraction form
797,100,332.70/1,195,569,771.04 = 214,893,431.18/x - Step 3: Cross multiply
797,100,332.70x = 1,195,569,771.04 × 214,893,431.18 - Step 4: Simplify right side
797,100,332.70x = 256,920,090,313,872,608 - Step 5: Solve for x
x = 256,920,090,313,872,608/797,100,332.70 - Step 6: Final answer
x = 322,318,382.99
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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.