Finding the Fourth Proportional to 497,849,052.14, 687,013,682.36 and 274,825,943.64
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Solution
The fourth proportional to 497,849,052.14, 687,013,682.36 and 274,825,943.64 is: 379,249,860.45
Step by Step Solution
- Step 1: Write the proportion equation
497,849,052.14 : 687,013,682.36 = 274,825,943.64 : x - Step 2: Convert to fraction form
497,849,052.14/687,013,682.36 = 274,825,943.64/x - Step 3: Cross multiply
497,849,052.14x = 687,013,682.36 × 274,825,943.64 - Step 4: Simplify right side
497,849,052.14x = 188,809,183,548,178,208 - Step 5: Solve for x
x = 188,809,183,548,178,208/497,849,052.14 - Step 6: Final answer
x = 379,249,860.45
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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.