Finding the Fourth Proportional to 823,457,604.60, 1,235,178,533.70 and 201,675,571.20
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Solution
The fourth proportional to 823,457,604.60, 1,235,178,533.70 and 201,675,571.20 is: 302,511,428.55
Step by Step Solution
- Step 1: Write the proportion equation
823,457,604.60 : 1,235,178,533.70 = 201,675,571.20 : x - Step 2: Convert to fraction form
823,457,604.60/1,235,178,533.70 = 201,675,571.20/x - Step 3: Cross multiply
823,457,604.60x = 1,235,178,533.70 × 201,675,571.20 - Step 4: Simplify right side
823,457,604.60x = 249,105,336,317,925,952 - Step 5: Solve for x
x = 249,105,336,317,925,952/823,457,604.60 - Step 6: Final answer
x = 302,511,428.55
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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.