Finding the Fourth Proportional to 527,204,338.14, 727,541,975.07 and 292,254,403.26
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Solution
The fourth proportional to 527,204,338.14, 727,541,975.07 and 292,254,403.26 is: 403,311,070.09
Step by Step Solution
- Step 1: Write the proportion equation
527,204,338.14 : 727,541,975.07 = 292,254,403.26 : x - Step 2: Convert to fraction form
527,204,338.14/727,541,975.07 = 292,254,403.26/x - Step 3: Cross multiply
527,204,338.14x = 727,541,975.07 × 292,254,403.26 - Step 4: Simplify right side
527,204,338.14x = 212,627,345,770,684,640 - Step 5: Solve for x
x = 212,627,345,770,684,640/527,204,338.14 - Step 6: Final answer
x = 403,311,070.09
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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.