Finding the Fourth Proportional to 667,875,618.30, 1,001,821,140.36 and 201,541,082.58
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Solution
The fourth proportional to 667,875,618.30, 1,001,821,140.36 and 201,541,082.58 is: 302,313,951.35
Step by Step Solution
- Step 1: Write the proportion equation
667,875,618.30 : 1,001,821,140.36 = 201,541,082.58 : x - Step 2: Convert to fraction form
667,875,618.30/1,001,821,140.36 = 201,541,082.58/x - Step 3: Cross multiply
667,875,618.30x = 1,001,821,140.36 × 201,541,082.58 - Step 4: Simplify right side
667,875,618.30x = 201,908,117,179,684,544 - Step 5: Solve for x
x = 201,908,117,179,684,544/667,875,618.30 - Step 6: Final answer
x = 302,313,951.35
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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.