Finding the Fourth Proportional to 451,805,527.84, 677,994,925.68 and 193,022,694.88
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Solution
The fourth proportional to 451,805,527.84, 677,994,925.68 and 193,022,694.88 is: 289,656,499.55
Step by Step Solution
- Step 1: Write the proportion equation
451,805,527.84 : 677,994,925.68 = 193,022,694.88 : x - Step 2: Convert to fraction form
451,805,527.84/677,994,925.68 = 193,022,694.88/x - Step 3: Cross multiply
451,805,527.84x = 677,994,925.68 × 193,022,694.88 - Step 4: Simplify right side
451,805,527.84x = 130,868,407,669,718,896 - Step 5: Solve for x
x = 130,868,407,669,718,896/451,805,527.84 - Step 6: Final answer
x = 289,656,499.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.