Finding the Fourth Proportional to 548,434,627.42, 756,841,223.09 and 297,539,006.26
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Solution
The fourth proportional to 548,434,627.42, 756,841,223.09 and 297,539,006.26 is: 410,604,608.38
Step by Step Solution
- Step 1: Write the proportion equation
548,434,627.42 : 756,841,223.09 = 297,539,006.26 : x - Step 2: Convert to fraction form
548,434,627.42/756,841,223.09 = 297,539,006.26/x - Step 3: Cross multiply
548,434,627.42x = 756,841,223.09 × 297,539,006.26 - Step 4: Simplify right side
548,434,627.42x = 225,189,785,413,313,888 - Step 5: Solve for x
x = 225,189,785,413,313,888/548,434,627.42 - Step 6: Final answer
x = 410,604,608.38
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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.