Finding the Fourth Proportional to 509,953,703.88, 763,347,137.45 and 276,203,851.23
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Solution
The fourth proportional to 509,953,703.88, 763,347,137.45 and 276,203,851.23 is: 413,448,157.32
Step by Step Solution
- Step 1: Write the proportion equation
509,953,703.88 : 763,347,137.45 = 276,203,851.23 : x - Step 2: Convert to fraction form
509,953,703.88/763,347,137.45 = 276,203,851.23/x - Step 3: Cross multiply
509,953,703.88x = 763,347,137.45 × 276,203,851.23 - Step 4: Simplify right side
509,953,703.88x = 210,839,419,187,705,184 - Step 5: Solve for x
x = 210,839,419,187,705,184/509,953,703.88 - Step 6: Final answer
x = 413,448,157.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.