Finding the Fourth Proportional to 699,532,921.62, 965,006,757.36 and 417,076,156.26
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Solution
The fourth proportional to 699,532,921.62, 965,006,757.36 and 417,076,156.26 is: 575,357,208.63
Step by Step Solution
- Step 1: Write the proportion equation
699,532,921.62 : 965,006,757.36 = 417,076,156.26 : x - Step 2: Convert to fraction form
699,532,921.62/965,006,757.36 = 417,076,156.26/x - Step 3: Cross multiply
699,532,921.62x = 965,006,757.36 × 417,076,156.26 - Step 4: Simplify right side
699,532,921.62x = 402,481,309,124,635,264 - Step 5: Solve for x
x = 402,481,309,124,635,264/699,532,921.62 - Step 6: Final answer
x = 575,357,208.63
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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.