Finding the Fourth Proportional to 589,043,415.60, 812,882,368.80 and 324,719,601.84
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Solution
The fourth proportional to 589,043,415.60, 812,882,368.80 and 324,719,601.84 is: 448,114,404.05
Step by Step Solution
- Step 1: Write the proportion equation
589,043,415.60 : 812,882,368.80 = 324,719,601.84 : x - Step 2: Convert to fraction form
589,043,415.60/812,882,368.80 = 324,719,601.84/x - Step 3: Cross multiply
589,043,415.60x = 812,882,368.80 × 324,719,601.84 - Step 4: Simplify right side
589,043,415.60x = 263,958,839,139,492,000 - Step 5: Solve for x
x = 263,958,839,139,492,000/589,043,415.60 - Step 6: Final answer
x = 448,114,404.05
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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.