Finding the Fourth Proportional to 1,597,467,813.60, 2,396,012,763.60 and 432,864,069.60
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Solution
The fourth proportional to 1,597,467,813.60, 2,396,012,763.60 and 432,864,069.60 is: 649,244,902.99
Step by Step Solution
- Step 1: Write the proportion equation
1,597,467,813.60 : 2,396,012,763.60 = 432,864,069.60 : x - Step 2: Convert to fraction form
1,597,467,813.60/2,396,012,763.60 = 432,864,069.60/x - Step 3: Cross multiply
1,597,467,813.60x = 2,396,012,763.60 × 432,864,069.60 - Step 4: Simplify right side
1,597,467,813.60x = 1,037,147,835,665,438,720 - Step 5: Solve for x
x = 1,037,147,835,665,438,720/1,597,467,813.60 - Step 6: Final answer
x = 649,244,902.99
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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.