Finding the Fourth Proportional to 307,082,856.30, 460,624,284.45 and 170,768,239.80
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Solution
The fourth proportional to 307,082,856.30, 460,624,284.45 and 170,768,239.80 is: 256,152,359.70
Step by Step Solution
- Step 1: Write the proportion equation
307,082,856.30 : 460,624,284.45 = 170,768,239.80 : x - Step 2: Convert to fraction form
307,082,856.30/460,624,284.45 = 170,768,239.80/x - Step 3: Cross multiply
307,082,856.30x = 460,624,284.45 × 170,768,239.80 - Step 4: Simplify right side
307,082,856.30x = 78,659,998,264,661,008 - Step 5: Solve for x
x = 78,659,998,264,661,008/307,082,856.30 - Step 6: Final answer
x = 256,152,359.70
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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.