Finding the Fourth Proportional to 812,598,423.26, 1,121,454,985.56 and 460,237,097.03
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Solution
The fourth proportional to 812,598,423.26, 1,121,454,985.56 and 460,237,097.03 is: 635,166,365.37
Step by Step Solution
- Step 1: Write the proportion equation
812,598,423.26 : 1,121,454,985.56 = 460,237,097.03 : x - Step 2: Convert to fraction form
812,598,423.26/1,121,454,985.56 = 460,237,097.03/x - Step 3: Cross multiply
812,598,423.26x = 1,121,454,985.56 × 460,237,097.03 - Step 4: Simplify right side
812,598,423.26x = 516,135,187,003,954,880 - Step 5: Solve for x
x = 516,135,187,003,954,880/812,598,423.26 - Step 6: Final answer
x = 635,166,365.37
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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.