Finding the Fourth Proportional to 844,222,812.13, 1,165,027,591.17 and 467,903,695.18
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Solution
The fourth proportional to 844,222,812.13, 1,165,027,591.17 and 467,903,695.18 is: 645,707,160.55
Step by Step Solution
- Step 1: Write the proportion equation
844,222,812.13 : 1,165,027,591.17 = 467,903,695.18 : x - Step 2: Convert to fraction form
844,222,812.13/1,165,027,591.17 = 467,903,695.18/x - Step 3: Cross multiply
844,222,812.13x = 1,165,027,591.17 × 467,903,695.18 - Step 4: Simplify right side
844,222,812.13x = 545,120,714,892,757,824 - Step 5: Solve for x
x = 545,120,714,892,757,824/844,222,812.13 - Step 6: Final answer
x = 645,707,160.55
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1.5x scale
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.