Finding the Fourth Proportional to 561,326,149.26, 774,725,663.97 and 326,512,923.75
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Solution
The fourth proportional to 561,326,149.26, 774,725,663.97 and 326,512,923.75 is: 450,643,430.71
Step by Step Solution
- Step 1: Write the proportion equation
561,326,149.26 : 774,725,663.97 = 326,512,923.75 : x - Step 2: Convert to fraction form
561,326,149.26/774,725,663.97 = 326,512,923.75/x - Step 3: Cross multiply
561,326,149.26x = 774,725,663.97 × 326,512,923.75 - Step 4: Simplify right side
561,326,149.26x = 252,957,941,647,004,736 - Step 5: Solve for x
x = 252,957,941,647,004,736/561,326,149.26 - Step 6: Final answer
x = 450,643,430.71
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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.