Finding the Fourth Proportional to 524,544,229.44, 723,872,114.64 and 289,595,344.32
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Solution
The fourth proportional to 524,544,229.44, 723,872,114.64 and 289,595,344.32 is: 399,642,170.32
Step by Step Solution
- Step 1: Write the proportion equation
524,544,229.44 : 723,872,114.64 = 289,595,344.32 : x - Step 2: Convert to fraction form
524,544,229.44/723,872,114.64 = 289,595,344.32/x - Step 3: Cross multiply
524,544,229.44x = 723,872,114.64 × 289,595,344.32 - Step 4: Simplify right side
524,544,229.44x = 209,629,994,282,817,312 - Step 5: Solve for x
x = 209,629,994,282,817,312/524,544,229.44 - Step 6: Final answer
x = 399,642,170.32
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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.